Table 3:

Tortuosity index and Smoker score evolution among our MD children with MR follow-up

	First MR Exam	Last MR Exam
Tortuosity index	0.29 ± 0.11 (0.14–0.39)	0.26 ± 0.10 (0.14–0.32)^{^a}
Smoker score	3 ± 1.3 (1–6)	3.3 ± 0.7 (2–4)^{^b}

↵a Obtained from 3 MD children with MRA follow-up (follow-up duration: 46.3 ± 30.3 months).
↵b Obtained from 7 MD children with MRI follow-up (follow-up duration: 25.5 ± 25.3 months).