Table 5 Descriptive analyses of the three clusters.
Cluster 1 (n = 279) | Cluster 2 (n = 336) | Cluster 3 (n = 247) | Statistics | p value | Post hoc analysis | |
|---|---|---|---|---|---|---|
Mean (SD) or n (%) | Mean (SD) or n (%) | Mean (SD) or n (%) | ||||
Illness duration, y | 13.37 (10.95) | 11.75 (9.78) | 11.61 (9.30) | F(2, 812) = 2.54 | <0.08 | |
Diagnosis | X2(2) = 48.53 | <0.001* | ||||
Schizophrenia-spectrum disorder | 184 (42.0) | 167 (38.0) | 88 (20.0) | 1 > 3 | ||
Bipolar disorder | 95 (22.5) | 169 (39.9) | 159 (37.6) | 1 < 3 | ||
Premorbid IQ | 25.70 (5.44) | 28.30 (4.33) | 30.20 (3.92) | F(2, 756) = 55.64 | <0.001* | 1 < 2, 1 < 3, 2 < 3 |
Adherence Scale | 1.78 (1.42) | 1.82 (1.37) | 1.68 (1.15) | F(2, 859) = 0.81 | 0.444 | |
No. of medications | 2.70 (1.36) | 2.54 (1.34) | 2.30 (1.08) | F(2, 859) = 6.22 | 0.002* | 1 > 3 |
GAF score | 52.62 (12.54) | 58.60 (13.45) | 61.35 (13.16) | F(2, 859) = 31.73 | <0.001* | 1 < 2, 1 < 3 |
CGI score | 4.41 (0.90) | 3.99 (1.03) | 3.73 (0.99) | F(2, 856) = 32.73 | <0.001* | 1 > 2, 1 > 3 |
PANSS | ||||||
PANSS positive sum score | 13.10 (5.50) | 10.85 (4.46) | 9.61 (3.87) | F(2, 853) = 38.05 | <0.001* | 1 > 2, 1 > 3, 2 > 3 |
PANSS negative sum score | 14.73 (6.46) | 12.04 (5.71) | 10.65 (4.21) | F(2, 844) = 36.23 | <0.001* | 1 > 2, 1 > 3, 2 > 3 |
PANSS general sum score | 28.55 (8.57) | 25.10 (7.73) | 23.15 (6.61) | F(2, 831) = 32.30 | <0.001* | 1 > 2, 1 > 3 |
PANSS total sum score | 56.66 (17.77) | 48.03 (15.60) | 43.34 (12.66) | F(2, 816) = 47.38 | <0.001* | 1 > 2, 1 > 3, 2 > 3 |
IDS-C30 sum score | 14.01 (10.85) | 12.93 (10.54) | 11.93 (10.05) | F(2, 771) = 2.34 | 0.097 | |
YMRS sum score | 3.61 (5.22) | 3.01 (4.94) | 2.72 (4.70) | F(2, 838) = 2.18 | 0.113 |
