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. Author manuscript; available in PMC: 2018 May 1.

Published in final edited form as: Pediatr Neurol. 2017 Feb 7;70:20–25. doi: 10.1016/j.pediatrneurol.2017.01.032

Table 3.

Baseline Cox regression model

Factor		Severe scoliosis	Hazard ratio (95% CI), p-value
Factor		N(%) or Mean ±SD	Hazard ratio (95% CI), p-value
Scoliosis at baseline	None	27 (5)	1
	1 to <20° Cobb angle	47 (26)	6.68 (3.97, 11,23), p<0.0001
	20 to <40° Cobb angle	39 (41)	20.3 (11.3, 36.5), p<0.0001
Mutation	Mild	21 (10)	1
	Moderate	34 (14)	1.31 (0.76, 2.27), p=0.34
	Severe	54 (19)	1.84 (1.10, 3.08), p=0.021
Age at baseline		8±4	0.73 (0.66, 0.81), p<0.0001