CRP and hypertensive disorder: In combination with the patients’ clinical characteristic data, the results of univariate analysis indicated that factors such as gender, BMI, location, laterality, preoperative VAS score, hypertension, coronary disease, leukocyte, C-reactive protein, and erythrocyte sedimentation rate exhibited no significant correlation with the treatment outcome after stSCS surgery in patients with ZAP (p > 0.05).