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.

Hovington et al. BMC Psychiatry 2012 12:224   doi:10.1186/1471-244X-12-224

Open Data