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Table 1 Demographic and clinical data of 33 participants with schizophrenia and 29 healthy controls

From: Correlations between exploratory eye movement, hallucination, and cortical gray matter volume in people with schizophrenia

Subject characteristics Participants with schizophrenia Healthy controls Statistics P value
Male/female 19 / 14 17 / 12 χ2 = 0.01 0.93a
Age (years) 23.45 (4.05)b 23.17 (3.05) t = 0.31 0.11c
Education (years) 13.67 (2.12) 14.38 (1.97) z = − 1.38 0.17d
Intracranial volume (ml) 1647.35 (238.45) 1645.73 (182.27) z = − 0.15 0.88d
Age at onset (years) 19.48 (3.37)
Duration of illness (months) 41.27 (33.09)
Antipsychotic dose (mg/day)e 437.27 (268.92)
PANSS positive score 19.64 (4.49)
PANSS negative score 15.94 (4.50)
PANSS total score 67.79 (11.47)
  1. aPearson Chi-square test
  2. bMean (standard deviation)
  3. cTwo sample t-test
  4. dMann-Whitney Test
  5. eChloropromazine-equivalent dose
  6. PANSS Positive and Negative Syndrome Scale