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Table 2 Summary of data from studies included for bipolar disorders

From: Health states for schizophrenia and bipolar disorder within the Global Burden of Disease 2010 Study

Reference

Country

Age range (years)

Number of cases

Included diagnosesa

Quality Index Score(/1)

Percentage of manic cases

Percentage of depressive cases

Percentage of residual cases

Morgan et al., 2005[40]

Australia

18-64

112

BPI, BPII

1.0

19

20

62

Negash et al., 2005[41]

Ethiopia

15-49

295

BPI

0.9

12

13

75

Cruz et al., 2008[37]

Europeanb

18-92

1563

BPI

0.9

11

11

79

Faravelli et al.,1990[38]

Italy

15-99

6

BPI, BPII, BPNOS

0.8

33

50

17

Have et al., 2002[39]

Netherlands

18-64

136

BPI, BPNOS

0.9

41

28

32

Blader et al., 2007[36]

USA

5-64

3900

BPI, BPII, BPNOS

0.6

28

37

35

Pooled health states proportions (%) (95% confidence intervals)

23% (10%-39%)

27% (11%-47%)

50% (30%-70%)

  1. Note. Values rounded up to nearest whole number; aBP: Bipolar; NOS: Not otherwise specified; bEuropean: Belgium, Denmark, Finland, France, Germany, Greece, Ireland, Italy, Netherlands, Norway, Portugal, Spain, Switzerland, and the United Kingdom.