Table 1.

Characteristics of participants and baseline PEFR

	SCA Spirometry	SCA control	Non-SCA
	Group	Group	Group
Age (Years)	17.6 ± 2.9	16.9 ± 3.2	16.8 ± 3.9
Sex
Male	n = 18	n = 11	n = 18
Female	n = 6	n = 14	n = 6
Height (m)	1.48 ± 2.4	1.45 ± 2.1	1.52 ± 2.5
Smoking
Never	n = 24	n = 25	n = 25
Previous	n = 0	n = 0	n = 0
Current	n = 0	n = 0	n = 0
Baseline PEFR	202.29±52.50	208.60±50.61	348.80±46.12
(litres/min)

SCA = Sickle Cell Anaemia PEFR = Peak Expiratory Flow Rate