Table 3.

Cox regression analysis of the hazard ratio (HR) for developing clinically moderate or severe scoliosis in relation to GMFCS level and sex

	HR	95% CI	p-value
GMFCS level
III vs. I/II	8	4–17	< 0.001
IV vs. I/II	15	9–30	< 0.001
V vs. I/II	53	28–100	< 0.001
Females vs. males	1.4	1–2	0.04