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Table 3 Comparison of the whole sagittal alignments between males and females

From: How does the sagittal spinal balance of the scoliotic population deviate from the asymptomatic population?

Items Normal adults Scoliotic adults
male (n = 76) female(n = 50) P value male (n = 54) female (n = 63) P value
Sagittal postural patterns (n, percent)  
 Roussouly 1 37 (23.7%) 23 (22.1%) 0.686 12 (20.3%) 13 (18.8%) 0.044*
 Roussouly 2 28 (17.9%) 10 (9.6%) 9 (15.3%) 13 (18.8%)
 Roussouly 3 70 (44.9%) 54 (51.9%) 20 (33.9%) 38 (55.1%)
 Roussouly 4 21 (13.5%) 17 (16.3%) 18 (30.5%) 5 (7.2%)
C7-subgroups (n, percent)  
 C7-anterior 5 (6.6%) 1 (2.0%) 0.401 17 (34.5%) 12 (19.0%) 0.120
 C7-posterior 71 (93.4%) 49 (98.0%) 37 (65.5%) 51 (81%)
  1. * Statistically significant at P < 0.05, Pearson’s χ2 test (two-tailed)