showed a trendp = 0.334
Although not statistically significant, mSRF and fSRF showed a trend of reduction during the follow-up (from 141 ± 77 to 111 ± 120 μm ( p = 0.334) and from 101 ± 79 to 87 ± 129 μm ( p = 0.565) for mSRF and fSRF, respectively).