Table 3 Validation of diagnostic codes for gastrointestinal bleeding
From: Validation of diagnostic codes of major clinical outcomes in a National Health Insurance database
GI bleeding | Total | True | False | PPV (%) | Sensitivity (%) | Specificity (%) |
|---|---|---|---|---|---|---|
Hospitalization + primary diagnostic code | 200 (100) | 184 (92.0) | 16 (8.0) | 92.0 | ||
Hospitalization + primary diagnostic code + RBC transfusion | 156 (100) | 143 (91.7) | 13 (8.3) | 91.7 | 77.7 | 18.8 |