Skip to main content

Table 2 Demographics and clinical characteristics

From: Characterization of affective lability across subgroups of psychosis spectrum disorders

  SZ (n = 76) BD-I (n = 105) BD-II (n = 68) MP (n = 48) Statistics P-value
  Mean (SD) Mean (SD) Mean (SD) Mean (SD)
Age, years 29.8 (9.2) 31.6 (11.2) 29.4 (9.2) 29.5 (8.3) F = 0.971, df = 3 0.407
Female sex, n (%) 27 (35.5) 56 (53.3) 47 (69.1) 27 (56.3) X2 = 16.608, df = 3 0.001
SZ < all, BD-II > BD-1
Education, years 14.3 (3.1) 15.0 (2.9) 16.0 (2.8) 14.6 (3.1) F = 1.950, df = 3 0.122
Duration of illness, years 4.1 (6.2) 9.9 (9.8) 13.1 (8.7) 6.1 (7.2) F = 15.785, df = 3 0.000
BD-I and BD-II > SZ, MP
PANSS—total 56.2 (15.6) 42.1(8.4) 43.0 (8.2) 53.8 (14.2) F = 30.356, df = 3 0.000
SZ, MP > BD-I, BD-II
PANSS—P 12.8 (4.8) 9.0 (2.5) 9.1 (2.6) 12.1 (3.8) F = 28.431, df = 3 0.000
SZ, MP > BD-I, BD-II
Depression (PANSS item G6) 2.3 (1.2) 2.3 (1.4) 2.7 (1.4) 2.4 (1.3) F = 2.167, df = 3 0.092
Anxiety (PANSS item G2) 2.8 (1.2) 2.7 (1.3) 3.3 (1.4) 2.5 (1.2) F = 3.599, df = 3 0.014
BD-II > BD-I, MP
YMRS—total 3.5 (4.2) 2.3 (3.4) 3.0 (4.2) 1.7 (2.3) F = 2.699, df = 3 0.046*
AUDIT total 5.1 (4.9) 8.1 (7.1) 8.5 (6.4) 5.3 (5.1) F = 5.648, df = 3 0.001
SZ < BD-I, BD-II; MP < BD-II
DUDIT total 3.1 (6.9) 3.6 (7.1) 2.8 (5.6) 3.2 (7.1) F = 0.237, df = 3 0.871
  1. Statistically significant group differences are highlighted in italic
  2. SZ schizophrenia, BD bipolar disorder, MP mixed psychosis, PANSS positive and negative syndrome scale, YMRS young mania rating scale, AUDIT the alcohol use disorders identification test, DUDIT drug use disorders identification test
  3. *Post-hoc tests were non-significant