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Table 1 Demographic and clinical characteristics

From: Brain structural changes and neuropsychological impairments in male polydipsic schizophrenia

mean ± S.D.

PS (n = 8)

NS (n = 8)

HC (n = 8)

Mann-Whitney U or Kruskal-Wallis

p-value

Age [years]

43.75 ± 6.58

43.63 ± 7.67

44.75 ± 3.77

0.74

0.69

Body height [cm]

167.35 ± 5.24

170.04 ± 6.70

170.25 ± 4.65

1.76

0.414

Body weight [kg]

64.31 ± 7.94

70.48 ± 22.25

70.13 ± 8.36

2.4

0.302

Education [years]

13.38 ± 2.77

14.25 ± 1.58

14.38 ± 2.00

0.49

0.784

Posm [mmol/kg]

287.32 ± 11.82

289.57 ± 3.77

288.50 ± 4.04

0.64

0.727

Duration of illness [years]

20.38 ± 7.41

13.31 ± 9.63

-

17

0.114

No. of polydipsic episodes

5.1 ± 2.9

-

-

  

Duration of polydipsia [years]

8.4 ± 4.7

-

-

  

CPZ equi [mg/day]

859.38 ± 520.68

525.0 ± 287.85

-

21.5

0.269

PANSS Positive

17.5 ± 1.85

17.38 ± 3.20

-

33

0.913

PANSS Negative

26.13 ± 2.8

25.38 ± 1.41

-

30.5

0.871

PANSS General

48.63 ± 2.62

47.38 ± 2.62

-

23.5

0.365

  1. S.D. standard deviation, PS polydipsic schizophrenia, NS nonpolydipsic schizophrenia, HC healthy controls, Posm plasma osmolality, CPZequi chlorpromazine equivalents, PANSS positive and negative syndrome scale.