Table 2 Spirometry test results of the PROMPT cohort participants
Mean (SD) | Participants with spirometry (N = 64) | Participants without OLD (Fixed Ratio) on spirometry (N = 26) | Participants without OLD (LLN) on spirometry (N = 35) | Participants with OLD (Fixed Ratio) on spirometry (N = 38) | Participants with OLD (LLN) on spirometry (N = 29) | Participants with significant reversibility on spirometry (N = 10) |
|---|---|---|---|---|---|---|
FEV1 (L)a | 2.80 (1.04) | 3.08 (0.90) | 3.11 (0.97) | 2.61 (1.11) | 2.42 (1.02) | 1.99 (0.80) |
FEV1% Predicted | 76.65 (23.64) | 89.95 (19.49) | 88.52 (19.41) | 67.55 (22.04) | 3.84 (0.73) | 52.91 (17.48) |
FVCb (L) | 4.15 (1.31) | 3.91 (1.13) | 4.08 (1.33) | 4.32 (1.41) | 4.25 (1.30) | 3.67 (1.18) |
FVC % Predicted | 76.75 (23.64) | 91.34 (20.96) | 91.95 (21.21) | 88.12 (17.88) | 86.38 (16.01) | 77.17 (18.03) |
FEV1/FVC | 0.68 (0.15) | 0.79 (0.06) | 0.77 (0.08) | 0.60 (0.15) | 0.57 (0.15) | 0.54 (0.13) |
FEV1 Pre- & Post-bronchodilator Difference (L) | −0.13 (0.71) | −0.13 (0.58) | −0.13 (0.56) | −0.13 (0.79) | −0.13 (0.87) | 0.69 (0.35) |
FEV1 Pre- &Post-bronchodilator Percent Difference (%) | −1.94 (23.29) | −3.49 (17.58) | −2.91 (19.15) | − 0.88 (26.69) | − 0.77 (27.80) | 35.54 (12.99) |