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Unified Medical Language System (UMLS)

PDQ (Physician Data Query) - Statistics


Semantic Type Distribution

Semantic Type IDSemantic Type NameCount Percentage Distribution
T121Pharmacologic Substance443727.2
T061Therapeutic or Preventive Procedure377723.2
T109Organic Chemical315019.3
T191Neoplastic Process14979.2
T116Amino Acid, Peptide, or Protein9926.1
T129Immunologic Factor6163.8
T114Nucleic Acid, Nucleoside, or Nucleotide3031.9
T125Hormone2681.6
T195Antibiotic2601.6

Term Type Counts

Term TypeExpanded FormCount
SYDesignated synonym9649
PTDesignated preferred name6837
ACRAcronym3539
ABAbbreviation in any source vocabulary1495
BDFully-specified drug brand name that can be prescribed911
CHNChemical structure name905
FBDForeign brand name867
CCNChemical code name645
PSCProtocol selection criteria555
LVLexical variant435
HTHierarchical term250
ETEntry term168
OPObsolete preferred name143
ISObsolete Synonym24
CUCommon usage11
MTH_BDMTH fully-specified drug brand name that can be prescribed9
MTH_CHNMTH chemical structure name1
MTH_ACRMTH acronym1
MTH_ABMTH abbreviation1
MTH_LVMTH lexical variant1
MTH_SYMTH Designated synonym1

Attribute Counts

Attribute TypeExpanded FormCount
ORIG_STYOriginal semantic type7647
PIDLegacy PDQ ID6066
DATE_LAST_MODIFIEDDate last modified2987
LTIndicates if a chemicals or medical device is a tradename (present in older versions of the Metathesaurus and was discontinued, then brought back starting in 2002AD)1767
DATE_FIRST_PUBLISHEDDate first published1716
NCI_IDNCI thesaurus concept id1401
MENU_PARENTLink information to Term Menu parent. This may not always be the same as the TermParent. Element will not exist for top level menus, e.g. cancer.836
MENU_TYPEValues are Clinical Trials--Cancer Type, Clinical Trials--Drug, or Cancer Information.789
PXCPDQ Protocol Exclusion Criteria - terms with type "exclusion criteria," which may be indexed on protocol records to identify conditions that exclude a patient from eligibility. 627
CAS_REGISTRYCAS Registry560
NSC_CODENSC Code516
IND_CODEIND Code409

Relationship Counts

Relation Name/Additional LabelExpanded FormCount
RO/component_ofhas relationship other than synonymous, narrower, or broader/Component of11090
RO/has_componenthas relationship other than synonymous, narrower, or broader/Has component11090
SY/has_expanded_formsource asserted synonymy./Has expanded form3539
SY/expanded_form_ofsource asserted synonymy./Expanded form of3539
SY/source asserted synonymy./Empty relationship attribute2990
PAR/has parent relationship in a Metathesaurus source vocabulary /Empty relationship attribute2341
CHD/has child relationship in a Metathesaurus source vocabulary /Empty relationship attribute2341
RB/has_tradenamehas a broader relationship/Has tradename1778
RN/tradename_ofhas a narrower relationship/Tradename of1778
RB/has_lab_numberhas a broader relationship/Has lab number645
RN/lab_number_ofhas a narrower relationship/Lab number645
RO/associated_diseasehas relationship other than synonymous, narrower, or broader/Associated disease16
RO/associated_genetic_conditionhas relationship other than synonymous, narrower, or broader/Associated genetic condition16
SY/has_plain_text_formsource asserted synonymy./Has plain text form14
SY/plain_text_form_ofsource asserted synonymy./Plain text form of14

Definition Count

Count
1266

Source Overlap

Source# Concepts Sharing Atom/# Total ConceptsPercentage Distribution
NCI9338/1070687.2
MSH3503/1070632.7
CHV2184/1070620.4
NCI_NCI-GLOSS1818/1070617.0
SNOMEDCT_US1591/1070614.9
SCTSPA1564/1070614.6
RXNORM1487/1070613.9
MMSL1310/1070612.2
MSHFRE1284/1070612.0
RCD1278/1070611.9
MSHGER1237/1070611.6
MSHCZE1141/1070610.7
MEDCIN1149/1070610.7
NCI_FDA1139/1070610.6
NDFRT1118/1070610.4
MSHITA1084/1070610.1
MSHPOR1058/107069.9
DRUGBANK1027/107069.6
MSHSPA1032/107069.6
SNMI1020/107069.5
NCI_DTP991/107069.3
MSHSWE912/107068.5
MSHPOL914/107068.5
MSHRUS914/107068.5
MSHFIN866/107068.1
NDDF838/107067.8
MSHJPN839/107067.8
CSP803/107067.5
MDR805/107067.5
MDRCZE805/107067.5
MDRDUT805/107067.5
MDRFRE805/107067.5
MDRGER805/107067.5
MDRHUN805/107067.5
MDRITA805/107067.5
MDRJPN805/107067.5
MDRPOR805/107067.5
MDRSPA805/107067.5
VANDF762/107067.1
MTHSPL701/107066.5
MSHNOR667/107066.2
NCI_CTRP-SDC606/107065.7
SNM595/107065.6
LNC586/107065.5
ATC582/107065.4
LCH_NW486/107064.5
MSHSCR454/107064.2
USPMG439/107064.1
NCI_DCP420/107063.9
AOD392/107063.7
MSHDUT361/107063.4
CCPSS303/107062.8
LCH281/107062.6
ICD10AM228/107062.1
OMIM228/107062.1
NCI_NICHD189/107061.8
PSY192/107061.8
ICD10CM177/107061.7
MEDLINEPLUS178/107061.7
ICPC2ICD10ENG186/107061.7
HPO168/107061.6
ICPC2P147/107061.4
ICPC2ICD10DUT149/107061.4
DXP152/107061.4
RCDAE155/107061.4
ICD9CM144/107061.3
DMDICD10116/107061.1
ICD10DUT116/107061.1
ICD10117/107061.1
KCD5118/107061.1
COSTAR123/107061.1
NCI_CTEP-SDC123/107061.1