Fig. 3From: Epidemiology of ossification of the spinal ligaments and associated factors in the Chinese population: a cross-sectional study of 2000 consecutive individualsDistribution of the OPLL, OLF, and OALL between genders. Abbreviations: OPLL, ossification of the posterior longitudinal ligament; OLF, ossification of the ligamentum flavum; OALL, ossification of the anterior longitudinal ligamentBack to article page