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Table 2 Validity of Different Administrative Data Depression Case Definition Compared with Chart Data

From: Validation of a case definition for depression in administrative data against primary chart data as a reference standard

Administrative Data Case Definition Sensitivity % (95% CI) Specificity % (95% CI) PPV % (95% CI) NPV % (95% CI)
1 depression claim within 3 years 78.9 (75.4, 82.1) 86.5 (85.2, 87.8) 55.4 (51.9, 58.8) 95.1 (94.2, 95.9)
2 depression claims within 1 year 60.7 (56.6, 64.7) 94.4 (93.5, 95.2) 69.7 (65.5, 73.7) 91.9 (90.8, 92.9)
2 depression claims within 2 years 62.9 (58.9, 66.8) 93.8 (92.8, 94.7) 68.3 (64.2, 72.2) 92.3 (91.2, 93.2)
2 depression claims within 3 years 63.4 (59.4, 67.3) 93.7 (92.8, 94.6) 68.2 (64.1, 72.1) 92.4 (91.3, 93.3)
1 depression diagnosis from hospital discharge data 5.3 (3.6, 7.4) 99.6 (99.3, 99.8) 75.6 (59.7, 87.6) 83.2 (81.9, 84.5)
2 depression claims within 1 year or 1 hospital discharge data diagnosis 61.4 (57.3, 65.4) 94.3 (93.4, 95.2) 69.7 (65.5, 73.6) 92.0 (91.0, 93.0)