Table 3.

Main clinical outcome measures for celecoxib and placebo groups.

Variable	Celecoxib group (n = 46)	Placebo group (n = 47)	T	P
PANSS total
Baseline	90.17 ± 10.61	94.00 ± 10.06	−1.785	0.078
6 week	58.50 ± 12.35**	67.57 ± 11.84**	−3.618	0.000
PANSS positive
Baseline	23.96 ± 5.11	24.26 ± 3.08	−0.340	0.735
6 week	15.76 ± 4.66**	19.43 ± 5.08**	−3.622	0.000
PANSS negative
Baseline	23.09 ± 5.02	24.26 ± 3.09	−1.136	0.259
6 week	14.57 ± 4.41**	18.13 ± 6.01**	−3.255	0.002
PANSS general
Baseline	43.13 ± 7.16	45.57 ± 6.92	−1.672	0.098
6 week	28.17 ± 6.28**	30.02 ± 5.71**	−1.484	0.141

Within-group differences were examined using paired T-test. Between-group differences were performed using independent sample T-test.

**P < 0.01, for between the 6-week time point and baseline.