Table 1 Clinical and radiologically detected scoliosis in children aged 6 to 17Â years according to age and gender
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 | Â | Â | Â | Â | Â |
 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 | Â | Â | Â | Â | Â |
 Boys | 3477 | 201 | 68 | 1.96 | 12.5 |
 Girls | 3347 | 241 | 104 | 3.11 | 13.3 |