From: Identifying persistent negative symptoms in first episode psychosis
 | PNS | Non-PNS | F, χ 2 or t, |
---|---|---|---|
 | (n=44) | (n=114) | p-value |
Age at entry, years | 22.0±4.0 | 22.9±4.1 | t=1.29, .195 |
Gender (m/f) | 30/14 | 82/32 | χ 2 =0.216, .697 |
DUI, weeks b | 286.9±273.3 | 254.7±260.1 | t=−0.679, .498 |
DUP, weeks b | 42.3±56.3 | 47.7±110.4 | t=0.305, .761 |
Prodromal period b | 104.3±178.3 | 90.1±159.2 | t= −0.478, .634 |
SOFAS | Â | Â | Â |
1st assessment | 40.0±12.7 | 47.0±14.5 | t=2.403, .018* |
Month 12 | 54.2±14.9 | 67.5±14.4 | t=4.233, <.001* |
SANS Total | Â | Â | Â |
1st assessment | 40.0±17.6 | 27.5±15.5 | t=−4.335, <.001* |
Month 3 | 33.1±13.0 | 18.6±11.5 | t=−6.594, <.001* |
Month 12 | 33.7±14.5 | 15.6±11.1 | t=−7.961, <.001* |
SAPS Total | Â | Â | Â |
1st assessment | 31.2±12.4 | 31.6±13.7 | t=−0.153, .878 |
Month 3 | 6.7±7.2 | 4.2±5.4 | t=−2.320, .047* |
Month 12 | 6.6±6.9 | 6.8±12.4 | t= .103, .918 |
CDSS Total | Â | Â | Â |
1st assessment | 5.3±4.8 | 4.9±5.3 | t=−0.347, .729 |
Month 3 | 1.9±3.0 | 2.0±3.1 | t=0.296, .768 |
Month 12 | 1.6±2.8 | 1.5±2.9 | t=−0.314, .754 |