2014 MEDLINE®/PubMed® Baseline: 22,376,811 Citations Found
Element Name |
Citations |
Occurrences |
Min/Avg/Max Occurrences |
Min/Avg/Max Length |
|---|---|---|---|---|
| PMID | 22,376,811 |
22,376,811 |
1/1.00/1 |
1/7.51/8 |
| DateCreated | 22,376,811 |
22,376,811 |
1/1.00/1 |
8/8.00/8 |
| DateCompleted | 22,376,811 |
22,376,811 |
1/1.00/1 |
8/8.00/8 |
| DateRevised | 18,678,976 |
18,678,976 |
0/1.00/1 |
8/8.00/8 |
| ISSN | 22,085,483 |
22,085,483 |
0/1.00/1 |
9/9.00/9 |
| IssnType=Electronic | 0 |
3,714,149 |
0 |
0 |
| IssnType=Print | 0 |
18,371,334 |
0 |
0 |
| Volume | 21,988,690 |
21,988,690 |
0/1.00/1 |
1/2.22/50 |
| Issue | 20,376,186 |
20,376,186 |
0/1.00/1 |
1/1.46/48 |
| PubDate | 22,376,811 |
22,376,811 |
1/1.00/1 |
4/7.33/38 |
| Title | 22,376,811 |
22,376,811 |
1/1.00/1 |
2/37.41/585 |
| ISOAbbreviation | 22,376,741 |
22,376,741 |
0/1.00/1 |
1/16.53/96 |
| ArticleTitle | 22,376,811 |
22,376,811 |
1/1.00/1 |
1/85.55/1086 |
| MedlinePgn | 22,360,236 |
22,360,236 |
0/1.00/1 |
1/5.69/173 |
| ELocationID | 3,634,172 |
3,795,266 |
0/1.04/2 |
0/0.00/0 |
| Valid Yes | 0 |
3,795,266 |
0 |
0 |
| Valid No | 0 |
0 |
0 |
0 |
| EIdType=doi | 0 |
3,603,475 |
0 |
0 |
| EIdType=pii | 0 |
191,791 |
0 |
0 |
| Abstract | 0 |
0 |
0 |
0 |
| AbstractText | 13,214,810 |
13,214,810 |
0/1.00/1 |
2/1218.45/9998 |
| CopyrightInformation | 1,045,331 |
1,045,331 |
0/1.00/1 |
1/53.00/554 |
| Identified as Structured Abstract | 2,308,600 |
0 |
0 |
0 |
| AbstractText | 2,308,600 |
9,772,867 |
1/4.23/16 |
0 |
| NLMCategory: UNLABELLED | 0 |
0 |
0 |
0 |
| NLMCategory: BACKGROUND | 987,375 |
1,003,437 |
0 |
0 |
| NLMCategory: OBJECTIVE | 1,539,723 |
1,543,028 |
0 |
0 |
| NLMCategory: METHODS | 2,100,148 |
2,652,379 |
0 |
0 |
| NLMCategory: RESULTS | 2,178,089 |
2,181,671 |
0 |
0 |
| NLMCategory: CONCLUSIONS | 2,269,375 |
2,328,496 |
0 |
0 |
| NLMCategory: UNASSIGNED | 9,210 |
11,629 |
0 |
0 |
| Author | 21,896,177 |
77,803,953 |
0/3.55/3173 |
1/12.17/489 |
| Valid Yes | 0 |
77,788,538 |
0 |
0 |
| Valid No | 0 |
15,415 |
0 |
0 |
| LastName | 21,870,677 |
77,676,557 |
0/3.55/3172 |
1/6.76/163 |
| ForeName | 21,841,955 |
77,586,830 |
0/3.55/3172 |
1/3.94/111 |
| Initials | 21,841,955 |
77,586,829 |
0/3.55/3172 |
1/1.42/8 |
| Suffix | 393,233 |
415,322 |
0/1.06/7 |
2/2.19/3 |
| CollectiveName | 116,617 |
127,396 |
0/1.09/29 |
1/41.85/489 |
| LastForeSuffix | 21,870,677 |
77,676,557 |
0/3.55/3172 |
1/10.71/163 |
| LastInitialsSuffix | 21,870,677 |
77,676,557 |
0/3.55/3172 |
1/8.19/163 |
| Affiliation | 12,310,076 |
12,310,098 |
0/1.00/2 |
1/102.62/1969 |
| Identifier | 34 |
38 |
0/1.12/2 |
16/17.03/19 |
| Language | 22,376,811 |
22,421,979 |
1/1.00/6 |
3/3.00/3 |
| Grant | 1,990,412 |
4,533,756 |
0/2.28/335 |
14/37.92/107 |
| GrantID | 1,904,242 |
4,405,598 |
0/2.31/335 |
1/10.54/66 |
| Acronym | 1,808,690 |
4,216,255 |
0/2.33/335 |
2/2.00/2 |
| Agency | 1,990,412 |
4,533,756 |
0/2.28/335 |
2/12.86/54 |
| Country | 1,990,412 |
4,533,756 |
0/2.28/335 |
5/12.96/14 |
| PublicationType | 22,376,811 |
40,119,077 |
1/1.79/10 |
4/18.03/56 |
Element Name |
Citations |
Occurrences |
Min/Avg/Max Occurrences |
Min/Avg/Max Length |
|---|---|---|---|---|
| DataBank | 238,366 |
242,122 |
0/1.02/4 |
5/107.55/47047 |
| DataBankName | 238,366 |
242,122 |
0/1.02/4 |
3/7.39/18 |
| AccessionNumber | 238,366 |
3,116,413 |
0/13.07/5880 |
2/7.78/14 |
| ArticleDate | 3,169,504 |
3,169,504 |
0/1.00/1 |
8/8.00/8 |
| VernacularTitle | 3,440,348 |
3,440,348 |
0/1.00/1 |
1/77.80/611 |
| Country | 22,376,811 |
22,376,811 |
1/1.00/1 |
4/10.15/35 |
| MedlineTA | 22,376,811 |
22,376,811 |
1/1.00/1 |
1/15.44/96 |
| NlmUniqueID | 22,376,811 |
22,376,811 |
1/1.00/1 |
7/7.27/9 |
| ISSNLinking | 21,894,886 |
21,894,886 |
0/1.00/1 |
9/9.00/9 |
| Chemical | 11,214,090 |
42,437,552 |
0/3.78/58 |
4/21.13/250 |
| RegistryNumber | 11,214,090 |
42,437,552 |
0/3.78/58 |
1/4.72/15 |
| NameOfSubstance | 11,214,090 |
42,437,552 |
0/3.78/58 |
2/16.41/249 |
| SupplMeshName | 41,237 |
46,391 |
0/1.12/10 |
5/21.56/177 |
| Type=Disease | 23,909 |
24,772 |
0/1.04/5 |
5/28.63/177 |
| Type=Protocol | 17,362 |
21,619 |
0/1.25/10 |
5/13.47/43 |
| CitationSubset | 21,161,191 |
24,142,269 |
0/1.14/6 |
1/1.99/3 |
| GeneSymbol | 59,508 |
126,194 |
0/2.12/25 |
1/4.51/41 |
| CommentsCorrections | 2,922,762 |
56,542,929 |
0/19.35/4916 |
8/45.48/827 |
| RetractionOf | 2,743 |
3,007 |
0/1.10/20 |
25/94.89/344 |
| RetractionIn | 2,870 |
2,898 |
0/1.01/2 |
27/59.43/341 |
| SummaryForPatientsIn | 1,058 |
1,072 |
0/1.01/3 |
29/45.52/62 |
| OriginalReportIn | 1,026 |
1,072 |
0/1.04/3 |
32/47.99/68 |
| CommentOn | 541,337 |
598,476 |
0/1.11/34 |
8/45.64/227 |
| CommentIn | 483,817 |
607,905 |
0/1.26/57 |
24/48.00/125 |
| ErratumIn | 122,251 |
124,307 |
0/1.02/10 |
9/43.43/827 |
| ErratumFor | 1,141 |
1,166 |
0/1.02/7 |
8/46.08/104 |
| ReprintIn | 2,173 |
2,204 |
0/1.01/3 |
27/50.07/92 |
| ReprintOf | 2,112 |
2,122 |
0/1.00/4 |
26/49.30/173 |
| RepublishedFrom | 1,414 |
1,419 |
0/1.00/2 |
19/45.47/110 |
| RepublishedIn | 1,222 |
1,227 |
0/1.00/2 |
26/47.32/92 |
| UpdateIn | 4,473 |
4,505 |
0/1.01/2 |
33/49.74/60 |
| UpdateOf | 4,389 |
4,390 |
0/1.00/2 |
31/49.83/100 |
| PartialRetractionOf | 36 |
37 |
0/1.03/2 |
32/115.51/211 |
| PartialRetractionIn | 36 |
36 |
0/1.00/1 |
36/81.44/199 |
| Cites | 1,924,358 |
55,187,086 |
0/28.68/4916 |
22/45.45/198 |
| MeshHeading | 20,997,401 |
212,171,752 |
0/10.10/103 |
2/20.23/204 |
| DescriptorName | 20,997,401 |
212,171,752 |
0/10.10/103 |
2/14.06/104 |
| Descriptor Major | 10,892,114 |
20,063,685 |
0/1.84/103 |
0 |
| Descriptor Not Major | 19,789,753 |
188,564,257 |
0/9.53/63 |
0 |
| QualifierName | 18,668,460 |
116,727,842 |
0/6.25/71 |
5/11.22/29 |
| Qualifier Major | 17,889,329 |
50,778,663 |
0/2.84/33 |
0 |
| Qualifier Not Major | 14,587,849 |
65,949,179 |
0/4.52/71 |
0 |
| Descriptor and/or Qualifier Major | 20,864,028 |
68,356,944 |
0/3.28/103 |
0 |
| PersonalNameSubject | 164,545 |
186,664 |
0/1.13/28 |
3/12.46/75 |
| LastName | 164,545 |
186,664 |
0/1.13/28 |
1/7.36/69 |
| ForeName | 159,005 |
179,671 |
0/1.13/28 |
1/3.85/48 |
| Initials | 159,005 |
179,671 |
0/1.13/28 |
1/1.42/6 |
| Suffix | 1,246 |
1,282 |
0/1.03/3 |
1/2.21/12 |
| LastForeSuffix | 164,545 |
186,664 |
0/1.13/28 |
3/11.09/73 |
| LastInitialsSuffix | 164,545 |
186,664 |
0/1.13/28 |
2/8.75/69 |
Element Name |
Citations |
Occurrences |
Min/Avg/Max Occurrences |
Min/Avg/Max Length |
|---|---|---|---|---|
| NumberOfReferences | 1,546,226 |
1,546,226 |
0/1.00/1 |
1/2.10/8 |
| OtherID | 3,625,128 |
4,075,194 |
0/1.12/6 |
1/11.24/391 |
| NLM Source | 0 |
2,528,831 |
0 |
0 |
| OtherAbstract | 0 |
0 |
0 |
0 |
| AbstractText | 63,060 |
63,143 |
0/1.00/2 |
38/1259.10/4096 |
| CopyrightInformation | 1,855 |
1,855 |
0/1.00/1 |
11/16.80/17 |
| Keyword | 2,299,975 |
7,349,190 |
0/3.20/211 |
1/16.75/171 |
| Keyword Major | 2,061,468 |
5,468,689 |
0/2.65/105 |
0 |
| Keyword Not Major | 318,092 |
1,880,501 |
0/5.91/211 |
0 |
| GeneralNote | 148,538 |
281,950 |
0/1.90/32 |
2/34.28/1226 |
| SpaceFlightMission | 4,188 |
19,395 |
0/4.63/12 |
6/13.87/28 |
| InvestigatorList | 29,882 |
0 |
0 |
0 |
| Investigator: Inclusive (pre-2008 Policy) | 8,937 |
10,292 |
0/1.15/6 |
7/31.05/96 |
| LastName | 8,937 |
10,292 |
0/1.15/6 |
2/6.69/16 |
| ForeName | 8,929 |
10,281 |
0/1.15/6 |
1/2.70/9 |
| Initials | 8,929 |
10,281 |
0/1.15/6 |
1/1.85/2 |
| Suffix | 16 |
16 |
0/1.00/1 |
2/2.19/3 |
| Affiliation | 8,936 |
10,291 |
0/1.15/6 |
3/19.81/83 |
| LastForeSuffix | 8,937 |
10,292 |
0/1.15/6 |
3/9.39/19 |
| LastInitialsSuffix | 8,937 |
10,292 |
0/1.15/6 |
3/8.54/18 |
| Investigator: 2008 Policy | 20,945 |
1,274,730 |
0/60.86/3068 |
2/12.48/164 |
| LastName | 20,945 |
1,274,730 |
0/60.86/3068 |
1/7.01/158 |
| ForeName | 20,887 |
1,264,574 |
0/60.54/3068 |
1/4.32/46 |
| Initials | 20,887 |
1,264,574 |
0/60.54/3068 |
1/1.19/6 |
| Suffix | 1,598 |
2,770 |
0/1.73/20 |
2/2.30/3 |
| Affiliation | 22 |
22 |
0/1.00/1 |
8/23.64/47 |
| LastForeSuffix | 20,945 |
1,274,730 |
0/60.86/3068 |
2/11.29/163 |
| LastInitialsSuffix | 20,945 |
1,274,730 |
0/60.86/3068 |
2/8.19/159 |
Element Name |
Size or Count |
|---|---|
| Average Record Size in Bytes | 1,419 |
| Words in Title Average | 12 |
| Words in Title Max | 249 |
| Words in Abstract Average | 184 |
| Words in Abstract Max | 1,696 |
| AB Size Zero | 9,162,001 |
| AB Size < 1,000 | 4,771,419 |
| AB Size 1,000 - 1,999 | 7,616,323 |
| AB Size 2,000 - 2,999 | 783,336 |
| AB Size 3,000 - 3,999 | 37,911 |
| AB Size 4,000 - 4,999 | 4,025 |
| AB Size > 5,000 | 1,796 |
| Number of MH Occurrences with NO SHs | 127,825,536 |
| Number of MH Occurrences with ONE SH | 59,469,060 |
| Number of MH Occurrences with SHs | 84,346,216 |
| Number of MH Type=Geographic | 3,543,810 |
CollectiveName, Author, and Investigator Related |
Counts |
||
|---|---|---|---|
| Citations containing ONLY CollectiveName | 25,500 |
||
| Citations containing BOTH CollectiveName and Author LastName | 91,117 |
||
| Citations containing BOTH CollectiveName and Investigator LastName | 20,919 |
||
| Citations containing BOTH Author LastName and Investigator LastName | 28,451 |
||
| Citations containing Investigator LastName and Owned by NASA | 3,904 |
||
| Both Investigator and Author Found | 28,451 |
||
| Investigator Found Without Collective | 8,963 |
||
MedlineCitation Status |
Counts |
|---|---|
| Completed | 0 |
| In-Process | 0 |
| In-Data-Review | 0 |
| PubMed-not-MEDLINE | 1,215,620 |
| OLDMEDLINE | 375,570 |
| MEDLINE | 20,785,621 |
Article PubModel |
Counts |
|---|---|
| Print-Electronic | 2,878,452 |
| Electronic-Print | 15,239 |
19,203,076 |
|
| Electronic-eCollection | 13,188 |
| Electronic | 266,856 |
JournalIssue CitedMedium |
Counts |
|---|---|
| Internet | 3,774,410 |
18,602,401 |
Owner |
MedlineCitation |
GeneralNote |
Keyword |
OtherAbstract |
|---|---|---|---|---|
| NLM | 22,245,311 |
3,815 |
1,980,696 |
0 |
| NASA | 10,725 |
4,570 |
12,939 |
409 |
| PIP | 37,446 |
63,798 |
68,872 |
53,165 |
| KIE | 31,939 |
209,616 |
73,817 |
3,026 |
| HSR | 7,713 |
151 |
0 |
0 |
| HMD | 43,677 |
0 |
0 |
0 |
| SIS | 0 |
0 |
0 |
0 |
| NOTNLM | 0 |
0 |
164,099 |
0 |
| AIDS | 0 |
0 |
0 |
5,342 |
| Publisher | 0 |
0 |
0 |
1,201 |
Grant Country |
Occurrences |
|---|---|
| United States | 4,329,260 |
| United Kingdom | 158,222 |
| Italy | 8,811 |
| Canada | 34,085 |
| Austria | 2,656 |
| International | 700 |
| Ireland | 22 |
Citation Subsets |
Counts |
|---|---|
| AIM | 1,961,162 |
| B | 10,445 |
| C | 7,404 |
| D | 523,301 |
| E | 90,568 |
| F | 8,016 |
| H | 257,892 |
| IM | 17,909,335 |
| J | 68,960 |
| K | 22,786 |
| N | 618,568 |
| OM | 1,999,096 |
| Q | 201,856 |
| QIS | 5,972 |
| QO | 24,429 |
| R | 3,602 |
| S | 187,207 |
| T | 52,882 |
| X | 188,788 |
Publication Types |
Counts |
|---|---|
| Addresses | 4,190 |
| Bibliography | 15,047 |
| Biography | 162,408 |
| Case Reports | 1,644,193 |
| Classical Article | 5,682 |
| Clinical Conference | 6,418 |
| Clinical Trial | 478,658 |
| Clinical Trial, Phase I | 13,228 |
| Clinical Trial, Phase II | 21,282 |
| Clinical Trial, Phase III | 8,080 |
| Clinical Trial, Phase IV | 847 |
| Comment | 541,338 |
| Comparative Study | 1,634,434 |
| Congresses | 59,369 |
| Consensus Development Conference | 8,558 |
| Consensus Development Conference, NIH | 708 |
| Controlled Clinical Trial | 86,439 |
| Corrected and Republished Article | 1,414 |
| Dictionary | 535 |
| Directory | 6,611 |
| Duplicate Publication | 1,098 |
| Editorial | 328,007 |
| English Abstract | 1,681,192 |
| Evaluation Studies | 184,098 |
| Festschrift | 1,418 |
| Government Publications | 187 |
| Guideline | 15,256 |
| Historical Article | 294,350 |
| In Vitro | 369,692 |
| Interview | 23,770 |
| Journal Article | 20,954,907 |
| Lectures | 5,766 |
| Legal Cases | 10,094 |
| Legislation | 1,666 |
| Letter | 793,275 |
| Meta-Analysis | 41,859 |
| Multicenter Study | 159,092 |
| News | 154,849 |
| Newspaper Article | 17,855 |
| Overall | 26,969 |
| Patient Education Handout | 3,843 |
| Periodical Index | 322 |
| Personal Narrative | 453 |
| Portraits | 38,208 |
| Practice Guideline | 18,081 |
| Published Erratum | 1,159 |
| Randomized Controlled Trial | 354,136 |
| Research Support, American Recovery and Reinvestment Act | 1,068 |
| Research Support, N.I.H., Extramural | 664,548 |
| Research Support, N.I.H., Intramural | 32,194 |
| Research Support, Non-U.S. Gov't | 5,247,881 |
| Research Support, U.S. Gov't, Non-P.H.S. | 641,367 |
| Research Support, U.S. Gov't, P.H.S. | 1,442,024 |
| Retracted Publication | 2,902 |
| Retraction of Publication | 2,817 |
| Review | 1,798,449 |
| Scientific Integrity Review | 181 |
| Technical Report | 2,207 |
| Twin Study | 5,870 |
| Validation Studies | 63,264 |
| Video-Audio Media | 4,262 |
| Webcasts | 287 |
ELocationId EIdType |
Counts |
|---|---|
| DOI or PII, MedlinePgn Not Found | 3,479 |
| DOI or PII, MedlinePgn Found | 3,469,599 |
| DOI and PII, MedlinePgn Not Found | 13,096 |
| DOI and PII, MedlinePgn Found | 147,998 |
PMID Versioning |
Counts |
|---|---|
| Version 1 | 22,376,714 |
| Version 2 | 67 |
| Version 3 | 12 |
| Version 4 | 6 |
| Version 5 | 3 |
| Version 6 | 3 |
| Version 7 | 2 |
| Version 8 | 2 |
| Version 9 | 1 |
| Version 10 | 1 |
Last Reviewed: January 2, 2014