NM – not mentioned; G1 – group flapless surgery; G2 – group conventional flapped surgery; NP – not performed aThe total of patients does not equal 169 because of cases treated with both protocols or i
Additional file 1: Table S1. Comparison of variables before and after propensity score matching in the hemodialysis (HD) vs. online hemodiafiltration (OHDF) groups.
