Table 4

Multivariate analysis to detect the risk of shorter distance of 6MWT

OR95% CIp Value
Model A
%FEV1, per 1SD increase0.360.04 to 1.550.1909
LVSV, per 1SD increase0.050.003 to 0.360.0005
Model B
IC, per 1SD increase0.740.27 to 1.840.5138
LVSV, per 1SD increase0.040.003 to 0.27<0.0001
  • Data were adjusted for age and BMI.

  • 6MWT, 6 min walk test; BMI, body mass index; %FEV1, per cent predicted FEV1; FEV1, forced expiratory volume in 1 s; IC, inspiratory capacity; LVSV, left ventricular stroke volume.