Table 1

 Mean (SD) characteristics of study population

CF patients(n = 12)Controls(n = 12)Mean (95% CI)difference*p value
CF, cystic fibrosis; BMI, body mass index; LBM, lean body mass; FBM, fat body mass; TLC, total lung capacity; FRC, functional residual capacity; FEV1, forced expiratory volume in 1 second; VC, vital capacity.
*Mean difference (with 95% confidence intervals) between CF and control groups.
Age (years)33.8 (8.6)32.8 (6.6)1.1 (−5.7 to 7.9)NS
Sex8M/4F8M/4FNS
Height (cm)1.68 (0.07)1.70 (0.09)−0.02 (−0.1 to 0.05)NS
Weight (kg)53.6 (8.5)61.3 (12.2)−7.7 (−17 to 1.6)NS
BMI (kg/m2)19.0 (1.8)21.1 (3.1)−2.1 (−4.3 to 0.1)NS
LBM (kg)44.0 (8.5)50.8 (11.0)−6.8 (−15.5 to 1.8)NS
FBM (kg)9.7 (3.6)10.6 (2.6)−0.9 (−3.7 to 1.9)NS
TLC (% pred)100 (9)103 (10)−3 (−12 to 6)NS
FRC (% pred)114 (20)108 (22)6 (−13 to 25)NS
FEV1 (% pred)97 (14)101 (10)−4 (−15 to 7)NS
VC (% pred)94 (12)103 (10)−9 (−19 to 1)NS