Research Article

Exercise Capacity in Prepubertal Children with Cystic Fibrosis

Table 2

Exercise and muscle strength.

Mean (SEM)Control groupCF group
Boys ( 𝑛 = 4 7 )Girls ( 𝑛 = 5 2 )Boys ( 𝑛 = 9 )Girls ( 𝑛 = 7 )

VO2max (ml/kg/min)48.5 (1.4)40.6* (1.0)46.7 (2.1)41.9 (3.3)
WLmax (watts)112 (2.7)100* (2.8)104 (6.8)89 (6.8)
E60°/sec158 (4.5)159 (6.4)147 (11.2)151 (14.0)
E90°/sec146 (4.1)138 (5.5)142 (15.5)142 (15.5)
E180°/sec116 (2.6)104* (3.7)122 (12.7)107 (6.9)
F60°/sec76 (3.4)73 (4.0)72 (7.2)60 (9.2)
F90°/sec76 (3.7)67 (3.0)80 (7.4)71 (10.8)
F180°/sec74 (2.6)58* (2.2)77 (4.9)65 (6.7)

Mean (SEM) maximum oxygen consumption; VO2max, maximum workload; WLmax, mean muscle strength: extension; E and flexion; F at 60, 90, and 180°/sec. *Indicates a significant gender difference within group. 𝑃 < 0 . 0 5 .