Table 2.

Natural History

Study**	Patient Number	Ave age at presentation	Range yrs.	Ave F/U	Range	Resolved or improved	Continued Toe walk	comments
8	48	3.2 yrs	?	2 yrs	2–8 yrs	8	40
9	14	6.2 yrs	3–9.9	20 yrs	14–27 yrs	8	1
10	41		1–4	?	3–14 yrs	29	12
Total	103					45	52	Shorter followup, fewer resolved

^**Reference number