Table 3.

Proportions of legs free from hip, knee, and foot contracture, stratified by GMFCS level, and 95% pointwise confidence intervals after 10 years of follow-up

GMFCS level	Hip	Knee	Ankle
I	1.0 (0.9–1.0)	1.0 (0.9–1.0)	0.9 (0.9–0.9)
II	0.9 (0.8–0.9)	0.9 (0.9–0.9)	0.8 (0.8–0.9)
III	0.9 (0.8–0.9)	0.5 (0.4–0.6)	0.7 (0.6–0.8)
IV	0.8 (0.8–0.8)	0.3 (0.3–0.4)	0.7 (0.7–0.8)
V	0.8 (0.7–0.8)	0.2 (0.2–0.3)	0.6 (0.6–0.7)