Effectiveness of treating menorrhagia using microwave endometrial ablation at a frequency of 2.45 GHz

Figure 2 Changes in visual analog scale score for dysmenorrhea following microwave endometrial ablation. A: All cases; B: Those with functional menorrhagia; C: Those with endometrial polyps; D: Those with uterine fibroids; E: Those with adenomyosis. Values are expressed as the mean, with error bars representing the standard deviation. ^aSignificantly different between before surgery and each group, P < 0.001.