Other clinical factors such as age distribution, BMI, hypertension, diabetes, hyperlipidemia, history of abdominal surgery, location of leiomyoma, preoperative albumin, perioperative antibiotic usage, endometrial penetration status, volume of drainage, drainage indwelling time, and length of hospital stay were not found to be associated with postoperative NIF. This evidence concerns the gene ALB and hyperlipidemia.