Table 3. Neurologic dysfunction.

Signs and symptoms	All, n=990	Non-fusion, n=720 (72.7%)	Fusion, n=270 (27.3%)	OR (95% CI)	P value
Myelopathy	5	0 (0)	5 (1.9)	1.019 (1.002–1.036)	<0.001
Plegia	25	15 (2.1)	10 (3.7)	1.808 (0.802–4.074)	0.148
Bowel bladder dysfunction	10	5 (0.7)	5 (1.9)	2.698 (0.775 –9.395)	0.105

OR, odds ratio; CI, confidence interval.