Fig. 2From: A study comparing outcomes between obese and nonobese patients with lumbar disc herniation undergoing surgery: a study of the Swedish National Quality Registry of 9979 patientsImprovement in Numeric Rating Scale (NRS) leg pain, NRS back pain, and Oswestry Disability Index (ODI) in relation to body mass index (BMI; kg/m2) class. BMI mean 19 includes patients with BMI 18.5 – < 19.5, BMI mean 20 those with BMI 19.5—< 20.5 and so on. n = 9678 for leg pain, 9676 for back pain and 9681 for ODI. Data are presented as the means with 95% confidence intervalsBack to article page