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Table 3 Validation studies and results of articles from the systematic review

From: Systematic review and assessment of validated case definitions for depression in administrative data

Author

Country

N

Year of data collection

Administrative database

Reference standard

ICD codes

Prevalence (%)

Sensitivity (%)

Specificity (%)

PPV (%)

NPV (%)

Alaghehbandan (2012)

Canada

510

1995-2008

Provincial Hospital Separation Database; Provincial fee-for-service physician claims database

Electronic Medical Record and Medical Chart Review

ICD-9: 311; ICD-10-CA: F32.0-F32.3, F32.8, F32.9, F33.0-F33.4, F33.8, F34.1

NR

    
      

≥ 1 Hospital OR ≥2 Physician within 1 Year

 

70.0

93.8

91.7

76.0

      

≥ 1 Hospital OR ≥2 Physician within 2 Years

 

75.1

93.0

91.3

79.1

      

( ≥1 Hospital OR ≥1 PSY) OR ≥2GP within 1 Year

 

73.1

93.4

91.6

77.9

      

( ≥1 Hospital OR ≥1 PSY) OR ≥2 GP within 2 Years

 

77.5

93.0

91.6

80.7

      

( ≥1 Hospital OR ≥1 PSY) OR ≥3 GP within 3 Years

 

69.6

93.4

91.2

75.7

Noyes (2011)

USA

1,605

1998-2002

Medicare

Previous MDE, GDS, or MINI-MDE

ICD-9: 296.20-.24, 296.30-.34

18% based on MINI

    
     

MDE at baseline- claims diagnoses at 6 months before & after baseline

  

14.13

95.61

41.05

83.72

     

MDE at baseline- claims diagnoses at 12 months before & after baseline

  

18.12

93.45

37.31

84.14

     

GDS ≥6 at baseline- claims diagnoses at 6 months before & after baseline

  

9.96

95.60

55.42

65.90

     

GDS ≥6 at baseline- claims diagnoses at 12 months before & after baseline

  

12.69

93.26

50.86

66.03

     

MINI-MDE at baseline- claims diagnoses at 6 months before and after baseline

ICD-9: 296.20-.24, 296.30-.34, 300.4, 309.0, 311

 

33.70

82.12

28.97

85.12

     

MINI-MDE at baseline- claims diagnoses at 12 months before and after baseline

  

46.38

74.98

28.51

86.67

     

GDS ≥6 at baseline- claims diagnoses at 6 months before and after baseline

  

27.92

83.35

47.96

67.79

     

GDS ≥6 at baseline- claims diagnoses at 12 months before and after baseline

  

39.57

77.42

49.07

69.98

     

GDS ≥11 at baseline- claims diagnoses at 6 months before and after baseline

ICD-9: 296.20-.24, 296.30-.34

 

55.06

73.32

13.07

95.73

     

GDS ≥11 at baseline- claims diagnoses at 12 months before and after baseline

  

42.48

78.57

40.37

80.00

     

2 positive MINI-MDEs at baseline and at 12 months- claims diagnoses at 12 months before and after baseline

  

46.63

74.69

12.11

94.89

Singh (2006)

USA

40,508

1996-1998

Veterans Integrated Service Network

Self-report of depression

ICD-9: 296.xx, 300.4, 301.1x, 298, 311

NR

34.00

97.00

83.00

79.00

  1. PPV: Positive predictive value; NPV: Negative predictive value; MDE: Major Depressive Episode; MINI-MDE: Mini-International Neuropsychiatric Interview-Major Depressive Episode; GDS: Geriatric Depression Scale; NR: Not reported; PSY: Psychiatrist visit; GP: General Practitioner visit.