For the comparison of short-term ospemifene with placebo, parabasal cells (the standardized mean difference [SMD] = -37.5, 95% confidence interval [CI] = -41.83 to -33.17, P < 0.00001), superficial cells (SMD = 9.24, 95% CI = 7.70 to 10.79, P < 0.00001), vaginal PH (SMD = -0.89, 95% CI = -0.98 to -0.80, P = 0.00001), and dyspareunia (SMD = -0.37, 95% CI = -0.43 to -0.30, P = 0.00001) indicated that ospemifene was more effective than the placebo.