a decreasing trendP > 0.05
Although the CSA of the LSR+PDRN group showed a decreasing trend, there was no significant difference in the CSA between the LSR+PDRN and LSR groups at week 6 ( P > 0.05).
Although the CSA of the LSR+PDRN group showed a decreasing trend, there was no significant difference in the CSA between the LSR+PDRN and LSR groups at week 6 ( P > 0.05).