Fig. 4

Flow chart of MPs in the OR and PD groups. A-1 and A-2 showed total MPs in the OR and PD groups after treatment, and total MPs were significantly higher in the PD group than those in the OR group. B-1 and B-2 showed NMPs in the OR and PD groups after treatment, and NMPs were significantly higher in the PD group than those in the OR group. C-1 and C-2 showed PMPs in the OR and PD groups after treatment, and PMPs were significantly higher in the PD group than those in the OR group