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Table 1 Clinical and radiologically detected scoliosis in children aged 6 to 17 years according to age and gender

From: Scoliosis epidemiology is not similar all over the world: a study from a scoliosis school screening on Chongming Island (China)

Demographic variable No. of children included (N = 6824) No. of children referred for radiograph (N = 442) No. of children in which scoliosis was radiologically detected (N = 172) Prevalence of scoliosis (%) Average Cobb angle (Degrees)
Age      
 6~ 163 15 4 2.45 12.5
 7~ 873 57 16 1.83 11.3
 8~ 853 39 12 1.41 12.1
 9~ 903 59 24 2.66 12.0
 10~ 849 60 23 2.71 12.4
 11~ 746 47 16 2.14 15.3
 12~ 592 44 17 2.87 13.7
 13~ 601 50 19 3.16 12.1
 14~ 529 29 18 3.40 13.1
 15~ 250 10 8 3.20 15.3
 16~ 247 18 10 4.05 15.1
 17 218 14 5 2.29 13.0
Gender      
 Boys 3477 201 68 1.96 12.5
 Girls 3347 241 104 3.11 13.3