Table 1 Validation of International Classification of Disease (ICD) hospital discharge abstract data based on chart review data for depression
From: Systematic review and assessment of validated case definitions for depression in administrative data
Case definition | Codes employed | Sensitivity (%) (95% CI) | Specificity (%) (95% CI) | Positive predictive value (%) (95% CI) | Negative predictive value (%) (95% CI) |
|---|---|---|---|---|---|
Alaghehbandan (2012) 1 | ICD-9: 311 | 19.92 (16.42-23.79) | 99.69 (99.44-99.84) | 89.62 (82.19-94.70) | 90.21 (89.23-91.13) |
Alaghehbandan (2012) 2 | ICD-10-CA: F32.0-F32.3, F32.8, F32.9, F33.0-F33.4, F33.8, F34.1 | 29.56 (25.50-33.88) | 99.58 (99.30-99.76) | 90.38 (84.64-94.52) | 91.28 (90.34-92.15) |
Noyes (2011) 1 | ICD-9: 296.20-.24, 296.30.-34 | 1.05 (0.34-2.43) | 100.00 (99.90-100.00) | 100.00 (47.82-100.00) | 88.21 (87.17-89.19) |
Noyes (2011) 2 | ICD-9: 296.20-.24, 296.30-.34, 300.4, 311 | 28.93 (24.90-33.23) | 99.66 (99.41-99.82) | 92.00 (86.44-95.80) | 91.21 (90.28-92.09) |
Singh (2006) | ICD-9: 296.xx, 300.4, 301.1x, 298, 311 | 28.90 (24.9-33.2) | 99.70 (99.40-99.80) | 92.00 (86.40-95.80) | 91.20 (90.30-92.10) |
ICD-9-CM (new definitions tested) | |||||
Case Definition 1* | 296.20-.25, 296.30-.35, 300.4, & 311 | 28.93 (24.90-33.23) | 99.66 (99.41-99.82) | 92.00 (86.44-95.80) | 91.21 (90.28-92.09) |
Case Definition 2* | CD1 + 296.5, 296.6, 296.82 & 296.90 | 29.14 (25.10-33.34) | 99.52 (99.23-99.72) | 89.10 (83.13-93.52) | 91.23 (90.29-92.10) |
Case Definition 3* | CD2 + 309.0, 309.1 & 309.28 | 32.91 (28.71-37.33) | 99.49 (99.20-99.70) | 89.71 (84.23-93.79) | 91.65 (90.73-92.51) |
ICD-10 (new definitions tested) | |||||
Case Definition 4** | F32.0-32.9, F33.0-33.3, F33.8, F33.9, F34.1 & F41.2 | 34.17 (29.92-38.62) | 99.55 (99.27-99.74) | 91.06 (85.89-94.80) | 91.80 (90.89-92.65) |
Case Definition 5** | CD4 + F31.3-F31.6 | 34.59 (30.32-39.05) | 99.52 (99.23-99.72) | 90.66 (85.47-94.46) | 91.85 (90.93-92.69) |
Case Definition 6** | CD5 + F34.8, F34.9, F38.0, F38.1, F38.8, F39, F99 | 35.64 (31.34-40.12) | 99.43 (99.13-99.65) | 89.47 (84.21-93.45) | 91.96 (91.05-92.80) |