showed a trendP < 0.01
For the MR, all four groups showed a trend of recovery on POD2 ( P < 0.01), but the reductions decreased at the one-year follow-up ( P < 0.01), although they were partly maintained ( P < 0.05).
For the MR, all four groups showed a trend of recovery on POD2 ( P < 0.01), but the reductions decreased at the one-year follow-up ( P < 0.01), although they were partly maintained ( P < 0.05).