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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)