In the training set, 15 variables were analyzed by univariate logistic regression analysis, and the results showed that 10 variables were potential risk factors for incisional infection, including age, body mass index, smoking, diabetes, hypertension, open fracture, preoperative albumin, preoperative use of antimicrobials, ASA classification, and duration of surgery (Table 1). This evidence concerns the gene ALB and hypertensive disorder.