Fig. 2
The matched treated and control cohorts before and after propensity matching analysis. A. Raw treated cohort; B. Matched treated cohort; C. Raw control cohort; D. Matched treated cohort
Fig. 2 | BMC Anesthesiology
The matched treated and control cohorts before and after propensity matching analysis. A. Raw treated cohort; B. Matched treated cohort; C. Raw control cohort; D. Matched treated cohort