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Table 2 Results of antibody measurement and seroprevalence

From: Antibody indices of infectious pathogens from serum and cerebrospinal fluid in patients with schizophrenia spectrum disorders

Antibody levels (Mean ± SD)

Patients with schizophrenia spectrum disorders (n = 100)*

IIH Controls (n = 39)*

p-value

EBV

n = 84 (84%)

n = 37 (95%)

Chi2 = 2.942 p = 0.086

 Serum (U)

51,574.59 ± 50,164.67

54,007.71 ± 47,090.30

z = − 0.602 p = 0.547

 CSF (U)

120.73 ± 155.75

79.02 ± 81.99

z = − 0.875 p = 0.382

 CSF/Serum

2.81 ± 4.19

1.57 ± 0.84

z = − 2.768 p = 0.006

 AI

0.93 ± 0.82

0.80 ± 0.29

z = − 0.535 p = 0.593

CMV

n = 41 (41%)

n = 15 (39%)

Chi2 = 0.075 p = 0.784

 Serum (U)

27,638.94 ± 27,336.05

33,900.25 ± 33,022.25

z = − 0.916 p = 0.360

 CSF (U)

64.14 ± 55.43

66.55 ± 77.03

z = − 0.139 p = 0.890

 CSF/Serum

2.64 ± 1.05

2.16 ± 1.69

z = − 2.470 p = 0.014

 AI

1.16 ± 0.47

1.11 ± 0.69

z = − 1.018 p = 0.309

HSV1/2

n = 59 (59%)

n = 26 (67%)

Chi2 = 0.694 p = 0.405

 Serum (U)

62,392.74 ± 33,027.48

70,727.88 ± 44,320.81

z = − 0.019 p = 0.985

 CSF (U)

160.16 ± 197.33

155.11 ± 130.48

z = − 0.048 p = 0.962

 CSF/Serum

2.77 ± 3.93

2.17 ± 1.52

z = − 0.992 p = 0.321

 AI

0.96 ± 0.45

1.01 ± 0.50

z = − 0.105 p = 0.916

T. gondii

n = 17 (17%)

n = 16 (41%)

Chi2 = 8.946 p = 0.003

 Serum (U)

21,313.23 ± 13,672.51

27,006.46 ± 14,736.33

z = − 1.513 p = 0.136

 CSF (U)

47.60 ± 42.40

64.54 ± 39.71

z = − 1.693 p = 0.094

 CSF/Serum

2.31 ± 1.29

4.33 ± 6.46

z = − 0.036 p = 0.986

 AI

0.86 ± 0.27

2. 91 ± 3.40

z = − 1.549 p = 0.127

  1. Significant p-values are marked in bold. EBV Epstein–Barr virus
  2. U unit, CSF cerebrospinal fluid, CMV human cytomegalovirus, HSV herpes simplex virus, T. gondii Txoxoplasma gondii, SD standard deviation, IIH idiopathic intracranial hypertension, AI antibody index
  3. *Only measurable antibody levels were analyzed