copd_self mrc_cb
Name
fev1_fvc_ratio
Label
FEV1/FVC Ratio
Description

This variable is the ratio of forced expiratory volume in one minute (FEV1 ) to forced vital capacity (FVC) expressed as a percentage.

Type
numeric
Visit Number vs FEV1/FVC Ratio
N Mean StdDev Median Min Max Unknown Total
Baseline 13,340 80.3 ± 7.2 81.1 17.5 100.0 3,075 16,415
Sueño Ancillary - - - - - - - -
Gender vs FEV1/FVC Ratio
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 13,340 80.3 ± 7.2 81.1 17.5 100.0 815 14,155
Female 7,851 81.0 ± 6.7 81.6 17.5 100.0 507 8,358
Male 5,489 79.3 ± 7.7 80.3 28.7 100.0 308 5,797