an increasing trendp = 0.033
post: 0.963 ± 1.736, p = 0.125, Cohen's d = −0.442, adjusted 95% CI of difference: −2.225 to 0.230) but an increasing trend could be found in IPL (pre: 0.814 ± 1.336 vs. post: 1.789 ± 1.167, p = 0.033, Cohen's d = −0.589, adjusted 95% CI of difference: −1.875 to −0.074).