Table 2.

Information of final results of treatment in two groups.

Item	PRO group	PRO + LAU group	P-value
Final response, n (%)
Grade 1	11 (37.9%)	11 (28.9%)	0.45
Grade 2	14 (48.3%)	24 (63.2%)
Grade 3	4 (13.8%)	3 (7.9%)
Grade 4	0	0
Treatment duration of patients in Grade 1, weeks (mean, SD)	17.1 ± 5.4	13.7 ± 4.9	0.24

Grade 1 means complete resolution achieved; Grade 2 means with ≥50% reduction in size of infantile hemangioma(IH); Grade 3 means with <50% reduction in size of IH; Grade 4 means no response or worsening of IH.