Table 1: Total quarterly costs and cost per user of atypical antipsychotics at the start and end of the study period

Atypical antipsychotic	First quarter 2007			First quarter 2013
Atypical antipsychotic	Total cost, $	% overall costs	Cost per user, $	Total cost, $	% overall costs	Cost per user, $
Overall	10 993 284	-	217.74	8 518 981	-	137.58
Risperidone	2 201 115	20.0	95.26	2 061 866	24.2	110.41
Olanzapine	5 815 987	52.9	428.59	1 890 328	22.2	152.75
Quetiapine	2 976 182	27.1	181.08	3 365 143	39.5	104.59
Paliperidone	-	-	-	394 855	4.6	953.76
Ziprasidone	-	-	-	65 639	0.8	362.64
Aripiprazole	-	-	-	741 151	8.7	349.60