From: Propranolol therapy in infantile hemangioma: correlation of age and duration of treatment to the outcomes
No. of patients
Diff % of surface area at end of treatment
Mean ± SD (range)
P value
Age at the start of treatment (months)
< = 3 m
10
84.4 ± 11.6 (68.8–100)
P = 0.003*
4–6 m
77.8 ± 14.4 (57.1–100)
> 6 m
8
59.9 ± 15.8 (33.8–78)