Fig. 2From: Development and validation of a pre-scoring system for nonspecific low back pain among general population in Guangzhou: a cross-sectional studyReceiver operator characteristic curve showing area under the curve for NLBP in general population (Notes: The basic model includes demographical and work-related factors. Risk model means basic model+SF2+ SF_PHYS. Scoring system means the sum of each factor score)Back to article page