Table 2.

US results and medical management: algorithm (adapted from Mahan et al. [21]).

Age	Alpha angle	Graf type	Medical management
<3 months old	>60°	I	Clinical follow-up
	50–60°	IIa	Repeating US at 4–6 weeks old	Improvement	US follow-up
				Unchanged or worse	Treatment
	<50°	III, IV	Treatment
>3 months old	>60°	I	Clinical follow-UP
	<60°	IIb, IIc, III, IV	Treatment