Table 1: Demographic characteristics and lung function parameters of participants.

NMeanStd. DeviationMinimumMaximumSig.

Weight (kg)
 Hb-SS subjects7659.0013.2038.00117.50<0.001
 Controls7669.1014.5046.00115.00
Height (cm)
  Hb-SS subjects76164.308.20135.00182.500.077
 Controls76166.108.24150.00190.00
BMI
 Hb-SS subjects7621.804.2015.8040.20<0.001
 Controls7625.054.7717.0039.00
Age (years)
 Hb-SS subjects7633.7511.1118.0063.000.970
 Controls7633.819.8118.0061.00
FVC Predicted
 Study subjects7172.6322.1940.001200.001
 Controls7490.3811.8553.00114
FEV1 Predicted
 Study subjects7165.3220.5524.00115.000.001
 Controls7487.0312.8450.00115.00
Ratio (FEV1/FVC)
 Study subjects7175.649.5950.2092.200.001
 Controls7482.166.2867.50100.00