Fig. 2

Incidence rate and incidence rate ratio during non-medication, oral medication alone, and long-acting injection (LAI) medication periods according to repeated admissions. LAI long-acting injection, SGA second-generation antipsychotics, \({\text{incidence rate}} = \frac{\text{re - hospitalization events}}{{10 {\text{person - years}}}}\), incidence rate ratio, \({\text{Only oral vs none}} = \frac{\text{Only oral medication incidence rate}}{\text{Non - medication incidence rate}}\), \({\text{LAI vs none}} = \frac{\text{LAI incidence rate}}{\text{Non - medication incidence rate}}\), \({\text{LAI vs only oral}} = \frac{\text{LAI incidence rate}}{\text{Only oral medication incidence rate}}\)