Table 1.

The studies: number of patients and type of surgery

	Randomized controlled studies	Prospective studies	Restrospective studies
# of patients
>100 patients	5	8	44
25–99 patients	15	19	19
<25 patients	6	11	7
Type of surgery
Myomectomy	12	23	25
Hysterectomy	13	11	33
Both	1	3	12
Unknown		1