Table 4.
Change in lung function variables post marathon compared to baseline.
| Mean Δ (SD) [95% CI] | P‐value | |
|---|---|---|
| FVC (L) | −0.10 (0.21) [−0.19, −0.01] |
0.0241 |
| FEV1 (L) | 0.02 (0.18) [−0.09, −0.05] |
0.536 |
| FEV1/FVC (L) | 0.19 (0.39) [0.031, 0.34] |
0.0211 |
| PEF (L/s) | −0.24 (0.85) [−0.58, 0.11] |
0.173 |
| FEF25–75 (L/s) | 0.19 (0.55) [−0.04, 0.41] |
0.096 |
| DLCO (mL/min/mmHg) | −0.5 (3.2) [−1.9, 0.9] |
0.451 |
| DLCO/VA (mL/min/mmHg/L) | −0.2 (0.5) [−0.5, 0.0] |
0.0371 |
| DLCO/BSA (mL/min/mmHg/m2) | 0.0 (1.9) [−0.9, 0.7] |
0.785 |
| DLNO (mL/min/mmHg) | −7 (16) [−13, 0] |
0.060 |
| DLNO/VA (mL/min/mmHg/L) | −1.6 (2.1) [−2.5, −0.7] |
0.0011 |
| DLNO/BSA (mL/min/mmHg/m2) | −2.6 (8.6) [−6.2, 1.0] |
0.146 |
| DLNO/DLCO ratio | −0.10 (0.28) [−0.22, −0.01] |
0.076 |
| DmCO/Vc ratio | −0.26 (0.44) [−0.45, −0.08] |
0.0081 |
| DmCO (mL/min/mmHg) | −22 (39) [−39, −5] |
0.011 |
| Vc (mL) | 0 (10) [−4, 4] |
0.901 |
General spirometry parameters (FVC, FEV1, FEV1/FVC, PEF, FEF25–75, n =26. Diffusing capacity parameters (Vc, DLCO, DLNO, DmCO, and all related variables), n =24. The postrace measurements were obtained 73 (SD 27) minutes after marathon completion.
1
Indicates significant difference (P <0.05) prerace to post race.