Table 1

Demographic and clinical characteristics
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

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.

Nagashima et al.

Nagashima et al. BMC Psychiatry 2012 12:210   doi:10.1186/1471-244X-12-210

Open Data