Table 1.

Patient characteristics per study period

	Period pre	Period post
Number of visits	52	44
Number of patients	36	37
Age, years (IQR)	9 (5, 12.5)	10.5 (7.6, 14.1)
Male, n (%)	28 (54)	21 (48)
Phenotype, n (%)
SS	35 (67)	27 (61)
SC	15 (29)	14 (32)
SB°Thal	1 (2)	2 (5)
SB+Thal	1 (2)	1 (2)
Hydroxyurea, n (%)	22 (42)	30 (68)
Opiates received, n (%)	44 (85)	43 (98)

Data presented represent individual patients and are organized by study period.

IQR: Interquantile range n Number; SS Hemoglobin SS; SC Hemoglobin SC; SB°Thal Hemoglobin SB°Thal; SB+Thal Hemoglobin SB+Thal.