Histogram

Valid Spirometry Studies (Pre) vs Visit Number
HCHS/SOL Baseline
Total 16,415
No 121
Yes 13,340
Unknown 2,954
Valid Spirometry Studies (Pre) vs Gender
HCHS/SOL Baseline
Female Male Total
Total 8,358 5,797 14,155
No 87 34 121
Yes 7,851 5,489 13,340
Unknown 420 274 694