Fig. 3From: Sagittal alignment of the cervical spine: radiographic analysis of 111 asymptomatic adolescents, a retrospective observational studyComparison of C7 slope, C2-7 Cobb, C2-7PL among three groups classified by modified method. “*”: Lordosis group vs Straight/Sigmoid group, P < 0.05; “**”: Lordosis group vs Kyphotic group, P < 0.05; “***”: Straight/Sigmoid group vs Kyphotic group, P < 0.05Back to article page