Table 3.

Mean doses of antipsychotic (AP) drugs for acute patients in 1996 and 1999.

		1996 (n = 323)			1999 (n = 356)
	Mean	Median	Range	Mean	Median	Range	*Statistical values	95% CI**
AP (CPZeq mg)	716 ± 627	600	20–3600	561 ± 482	400	40–3800	Z = −3.906, P = 0.000	70.0, 240.2

^*Mann–Whitney U-test

^**confidence interval.