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Forest plots depicting the ORs or HRs of mortality risks on the stratification of SAPS and age levels by BMI category. (A) shows ORs of 30-day mortality stratified by SAPS levels, and (B) demonstrates HRs of 1-year mortality on the stratification of age levels. Squares represent ORs or HRs with 95% CIs demonstrated as horizontal bars. Normal weight category acts as the reference group.
