Serious adverse effects: direct summary effects for comparisons including at least two studies at class level
AIL12/23: anti‐IL12/23; AIL17: anti‐IL17; AIL23: anti‐IL23, ATA: anti‐TNF alpha; CSA: conventional systemic agents; OB: other biologics; PBO: placebo; SM: small molecules
CI: confidence interval; RR: risk ratio; SAE: serious adverse events