Age distribution, BMI, hypertension, diabetes, hyperlipidemia, history of abdominal surgery, location of leiomyoma, preoperative albumin levels, perioperative antibiotic usage, endometrial penetration status, volume of drainage, drainage indwelling time, and length of hospital stay did not exhibit significant differences between the NIF and NTC groups (all P > 0.05). This evidence concerns the gene ALB and diabetes mellitus.