trig fvc
Name
fev1
Label
FEV 1 (SHHS1)
Description

Forced Expiratory Volume in One Second (Litres)

Units
liter
Type
numeric
Tags
FEV1
SHHS Visit Number vs FEV 1 (SHHS1)
N Mean StdDev Median Min Max Unknown Total
Visit 1 5,574 2.7 ± 2.3 2.6 0.0 165.0 230 5,804
Visit 2 - - - - - - 4,080 4,080
CVD Outcomes - - - - - - 5,042 5,042
Age at SHHS1 vs FEV 1 (SHHS1)
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,574 2.7 ± 2.3 2.6 0.0 165.0 230 5,804
39.0 to 55.0 years 1,342 3.2 ± 4.5 3.0 1.1 165.0 109 1,451
55.0 to 63.0 years 1,396 2.9 ± 0.7 2.8 0.9 5.5 55 1,451
63.0 to 72.0 years 1,410 2.6 ± 0.7 2.6 0.0 5.0 41 1,451
72.0 to 100.0 years 1,426 2.0 ± 0.6 2.0 0.0 4.1 25 1,451
Gender vs FEV 1 (SHHS1)
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,574 2.7 ± 2.3 2.6 0.0 165.0 230 5,804
Female 2,910 2.3 ± 3.1 2.3 0.0 165.0 129 3,039
Male 2,664 3.1 ± 0.8 3.2 0.0 5.7 101 2,765
Gender vs FEV 1 (SHHS1)
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total - - - - - - 4,080 4,080
Female - - - - - - 2,219 2,219
Male - - - - - - 1,861 1,861
Race vs FEV 1 (SHHS1)
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,574 2.7 ± 2.3 2.6 0.0 165.0 230 5,804
white 4,793 2.7 ± 0.8 2.7 0.0 5.7 114 4,907
black 462 2.2 ± 0.7 2.1 0.6 4.5 53 515
native amer/alaskan 11 2.5 ± 1.0 2.4 1.1 4.4 - 11
asian/pacific islander 71 4.8 ± 19.3 2.5 0.7 165.0 17 88
hispanic/mex. amer 234 2.7 ± 0.7 2.6 0.9 5.2 46 280
other 3 2.6 ± 0.8 3.0 1.7 3.2 - 3
Race vs FEV 1 (SHHS1)
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total - - - - - - 4,080 4,080
white - - - - - - 3,587 3,587
black - - - - - - 256 256
native amer/alaskan - - - - - - 8 8
asian/pacific islander - - - - - - 48 48
hispanic/mex. amer - - - - - - 180 180
other - - - - - - 1 1