Table I. Most commonly used antipsychotic medications by inpatients at Beijing Hui Long Guan Hospital at three time periods,* typical acute treatment dose, and monthly cost in Beijing in 1999.

Oral medication	Proportion of all patients on antipsychotic medication taking each type of medical (%)			Typical acute treatment dose (mg/day)	Cost for 1 month's supply (US $)	Proportion of per capita monthly income used to pay for the medication (%)
	1988	1994	1998			Urban	Rural
	N=1220ߤ	N=1543ߤ	N=1393ߤ
Clozapine	19.8	29.5	33.8	400	3.40	6.2	15.5
Perphenazine	34.6	20.1	23.3	40	2.60	4.7	11.8
Chlorpromazine	24.3	17.3	12.9	500	1.54	2.8	7.0
Flupenthixolߥ	0.0	5.2	8.7	40	55.21	100.1	251.5
Haloperidol	10.1	7.5	7.5	30	1.92	3.5	8.8
Sulpride	0.2	5.8	6.7	1200	4.49	8.1	20.4
Risperidone	0.0	0.0	4.4	4	52.54	95.3	239.3
*Based on chart review of all inpatients on 28 September 1988 (N=1270), 1 June 1994 (N=1692), and 1 June 1998 (N=1505).
ߤPolypharmacy was relatively uncommon: 8 of the 1220 patients (0.7%) taking antipsychotics in 1988 were taking two types of antipsychotics; in 1994, 37 patients (2.4%) took two antipsychotics; and in 1998, 37 patients (2.7%) took two antipsychotics.
ߥImported medication.