Table 2.

Patient Characteristics (K = 29 Studies)

Mean	95% Confidence Interval
Gender: % male	68.0	61.8 < δ < 74.2
Age, y	35.0	32.9 < δ < 37.0
IQ	92.0	87.6 < δ < 96.4
Duration of hospitalization, mo	77.9	40.2 < δ < 115.6
Number of hospitalizations	3.9	3.6 < δ < 4.2
Duration of illness, y	10.2	8.1 < δ < 12.3
Daily dose of antipsychotics (chlorpromazine values)a	876.9	364.2 < δ < 1389.6

^aK = 8 studies.