Positive predictive value of ICD-9th codes for upper gastrointestinal bleeding and perforation in the Sistema Informativo Sanitario Regionale database

Journal of Clinical Epidemiology

Volumn 52, Issue 6, 1999, Pages 499-502

  Cattaruzzi, Chiara ^a   Troncon, Maria Grazia ^b   Agostinis, Luisa ^c   García Rodríguez, Luis A ^d  

^a U O di Radiodiagnostica   (Italy)

^b Direzione Regionale della Sanita   (Italy)

^c INSIEL SpA   (Italy)

^d Centro Espanol de Invest F   (Spain)

Author keywords

Automated databases; ICD 9 codes; Medical record linkage; Population based study; Positive predictive value

Indexed keywords

ARTICLE; CLINICAL TRIAL; CODING; DATA BASE; DIGESTIVE SYSTEM HEMORRHAGE; DIGESTIVE SYSTEM PERFORATION; DISEASE CLASSIFICATION; HUMAN; ITALY; MAJOR CLINICAL STUDY; MULTICENTER STUDY; PRIORITY JOURNAL; PROGNOSIS;

ADULT; AGED; AGED, 80 AND OVER; CASE-CONTROL STUDIES; DIAGNOSIS-RELATED GROUPS; DUODENAL DISEASES; FEMALE; GASTROINTESTINAL HEMORRHAGE; HUMANS; INTESTINAL PERFORATION; ITALY; MALE; MEDICAL RECORDS SYSTEMS, COMPUTERIZED; MIDDLE AGED; PEPTIC ULCER PERFORATION; PREDICTIVE VALUE OF TESTS; RETROSPECTIVE STUDIES; STOMACH DISEASES;

EID: 0033151642     PISSN: 08954356     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0895-4356(99)00004-9     Document Type: Article

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