Table 3 Summary of included studies.

From: The association between antibodies to neurotropic pathogens and bipolar disorder

Pathogen

Author

Year

Country (ethnicity)

Patients

Controls

Technique

Age patients (mean (SD), years)

Age controls (mean (SD), years)

Gender patients (male, N (%)

Gender controls (male, N (%)

Seropositive patients positive, N (%)

Seropositive controls positive, N (%)

Significant

CMV

Avramopoulos

2015

US (Jewish)

489

362

ELISA

43.3 (18.0)

57.9 (12.2)

235 (48.1)

148 (40.9)

157 (32.1)

128 (35.3)

N

Dickerson

2004

US

117

100

Solid phase immunoassay

41.4 (12.2)

36.0 (13.3)

35 (30.0)

25 (25.0)

42 (35.9)

17 (17)

Y

Gerber

2012

Germany

30

20

Solid phase immunoassay

42.6 (NA)

39.8 (NA)

12 (40.0)

7 (35.0)

9 (30.0)

5 (25.0)

N

Hamdani

2017

France

138

180

Solid phase immunoassay

44.3 (13.3)

40.1 (13.8)

(65 (47.1)

98 (54.4)

79 (57.2)

119 (66.1)

N

Prossin

2015

US

139

99

Solid phase immunoassay

39.0 (13.0)

32 (14.0)

52 (37.0)

49 (49.0)

77 (55.3)

40 (40.4)

Y

Rizzo

2013

Brazil

22

17

Chemiluminescent enzyme immunometric assays

44.62 (9.30)

39.47 (12.89)

0 (0.0)

0 (0.0)

20 (90.9)

15 (88.2)

N

Snijders

Present study

The Netherlands (Dutch)

760

132

ELISA

49.41 (12.37)

49.45 (12.80)

335 (44.1)

74 (56.0)

325 (42.7)

52 (39.9)

N

Tanaka

2017

US

32

32

ELISA

38.72 (7.46)

38.16 (7.08)

14 (43.8)

14 (43.8)

22 (68.8)

22 (68.8)

N

Tedla

2011

Ethiopia

199

80

ELISA

31.6 (NA)

30.4 (NA)

105 (52.8)

53 (66.2)

198 (99.5)

80 (100.0)

N

HSV-1

Avramopoulos

2015

US (Jewish)

489

362

ELISA

43.3 (18.0)

57.9 (12.2)

235 (48.1)

148 (40.9)

178 (36.4)

144 (39.8)

N

Dickerson

2004

US

117

100

Solid phase immunoassay

41.4 (12.2)

36.0 (13.3)

35 (30.0)

25 (25.0)

49 (41.9)

46 (46.0)

N

Gerber

2012

Germany

30

20

Solid phase immunoassay

42.6 (NA)

39.8 (NA)

12 (40.0)

7 (35.0)

16 (53.3)

10 (50.0)

N

Hamdani

2017

France

138

180

Solid phase immunoassay

44.3 (13.3)

40.1 (13.8)

(65 (47.1)

98 (54.4)

87 (63.0)

130 (72.2)

N

Snijders

Present study

The Netherlands (Dutch)

760

132

ELISA

49.41 (12.37)

49.45 (12.80)

335 (44.1)

74 (56.0)

367 (48.2)

58 (43.9)

N

Tanaka

2017

US

32

32

ELISA

38.72 (7.46)

38.16 (7.08)

14 (43.8)

14 (43.8)

22 (68.8)

18 (56.3)

N

Tedla

2011

Ethiopia

199

80

ELISA

31.6 (NA)

30.4 (NA)

105 (52.8)

53 (66.2)

191 (96.0)

80 (100.0)

N

HSV-2

Dickerson

2004

US

117

100

Solid phase immunoassay

41.4 (12.2)

36.0 (13.3)

35 (30.0)

25 (25.0)

35 (29.9)

20 (20.0)

N

Gerber

2012

Germany

30

20

Solid phase immunoassay

42.6 (NA)

39.8 (NA)

12 (40.0)

7 (35.0)

4 (13.3)

1 (5.0)

N

Hamdani

2017

France

138

180

Solid phase immunoassay

44.3 (13.3)

40.1 (13.8)

(65 (47.1)

98 (54.4)

33 (23.9)

51 (28.3)

N

Snijders

Present study

The Netherlands (Dutch)

760

132

ELISA

49.41 (12.37)

49.45 (12.80)

335 (44.1)

74 (56.0)

71 (9.3)

10 (7.6)

N

Tedla

2011

Ethiopia

199

80

ELISA

31.6 (NA)

30.4 (NA)

105 (52.8)

53 (66.2)

30 (15.1)

8 (10.0)

N

T. gondii

Abdollahian

2017

Iran

70

350

ELISA

NA

38.0 (13.2)

NA

170 (48.5)

33 (47.1)

120 (34.3)

Y

Avramopoulos

2015

US (Jewish)

489

362

ELISA

43.3 (18.0)

57.9 (12.2)

235 (48.1)

148 (40.9)

57 (11.7)

72 (19.9)

Y

Chen

2019

China

115

681

ECLIA

37.6 (12.2)

37.7 (0.53)

56 (48.7)

381 (55.9)

22 (19.1)

64 (9.4)

Y

Gerber

2012

Germany

30

20

Solid phase immunoassay

42.6 (NA)

39.8 (NA)

12 (40.0)

7 (35.0)

4 (13.3)

1 (5.0)

N

Hamdani

2017

France

138

180

Solid phase immunoassay

44.3 (13.3)

40.1 (13.8)

65 (47.1)

98 (54.4)

103 (74.6)

105 (58.3)

Y

Hinze-Selch

2010

Germany

87

214

Indirect immunofluorescence

46.3 (14.0)

38.9 (13.3)

NA

NA

41 (47.1)

86 (40.1)

N

Khadamavetan

2013

Iran

117

200

ELISA

33.93 (11.9)

33.88 (11.45)

59 (50.4)

96 (48.0)

37 (31.6)

53 (26.5)

N

Tanaka

2017

US

32

32

ELISA

38.2 (7.1)

38.7 (7.5)

14 (43.8)

14 (43.8)

7 (21.8)

6 (18.8)

N

Tedla

2011

Ethiopia

171

71

ELISA

31.6 (NA)

30.4 (NA)

105 (52.8)

53 (66.2)

163 (95.3)

62 (87.3)

Y

Snijders

Present study

The Netherlands (Dutch)

760

132

ELISA

49.41 (12.37)

49.45 (12.80)

335 (44.1)

74 (56.0)

275 (36.2)

48 (36.3)

N

Xiao

2015

China

49

2634

ELISA

NA

NA

NA

1319 (50.0)

5 (10.2)

329 (12.5)

N

EBV

Dickerson

2004

US

117

100

Solid phase immunoassay

41.4 (12.2)

36.0 (13.3)

35 (30.0)

25 (25.0)

89 (76.1)

87 (87.0)

N

Snijders

Present study

The Netherlands (Dutch)

760

132

ELISA

49.41 (12.37)

49.45 (12.80)

335 (44.1)

74 (56.0)

480 (63.2)

83 (62.9)

N

  1. CMV cytomegalovirus, EBV Epstein-barr virus, ECLIA electrochemiluminescence immunoassay analyzer, ELISA enzyme-linked immunosorbent assay, HSV-1 herpes simplex virus-1, HSV-2 herpes simplex virus-2, N no, Y yes, T. gondii Toxoplasma gondii, SD standard deviation, US United States