Table 1 |
|||
| Demographics and clinical characteristics of PNS cohort (as per PNS_1 criteria) | |||
| PNS | Non-PNS | F, χ 2or 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 | χ2 =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 | |||
| 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 | |||
| 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 | |||
| 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 | |||
| 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 |
DUP= duration of untreated psychosis (from first episode to date of entry to PEPP); DUI=duration of untreated illness; SANS= Scale for the Assessment of Negative Symptoms; SAPS= Scale for the Assessment of Positive Symptoms; SOFAS = Social and Occupational.
a Hollingshead Parental Socio-Economic Status, in which 1 = highest and 5 = lowest.
b Analyses were made with transformed data but values are presented in raw form.
Note: Secondary negative symptoms were removed from analyses.
Data presented as mean ± SD (χ2or t, p-value).
Hovington et al. BMC Psychiatry 2012 12:224 doi:10.1186/1471-244X-12-224
