A propensity score matching analysis for cardio metabolic risk of antipsychotics in patients with schizophrenia using Japanese claims data

Table 9 Event rate

Event	Group	N	Mean follow-up (months)	Number of events	HR^a	95%CI		P-value
Diabetes	With atypical antipsychotic	746	8.60	10	1.377	(0.536,	3.539)	0.506
Diabetes	Without atypical antipsychotic	752	25.38	12	(reference)	–	–	–
CV events	With atypical antipsychotic	889	8.62	12	1.010	(0.455,	2.240)	0.981
CV events	Without atypical antipsychotic	889	24.75	20	(reference)	–	–	–
CV death	With atypical antipsychotic	889	8.70	0	NA^b	NA	NA	NA
CV death	Without atypical antipsychotic	889	25.36	1	NA	NA	NA	NA

CV Cardiovascular; HR Hazard ratio, CI Confidence interval, NA Not applicable
^aHR was estimated by Cox’s proportional hazards model. Cumulative chlorpromazine equivalent was adjusted as a covariate
^bHR was unable to be estimated due to the lack of events

ISSN: 1471-244X