Outcomes | Low traffic routes | High traffic routes | ||||
---|---|---|---|---|---|---|
Pre-ridea | Post-ride | Diffb | Pre-ride | Post-ride | Diff | |
FVC (liters)** | 4.74 (0.91) | 4.89 (0.96) | 0.14 (0.31) | 4.86 (0.90) | 4.73 (0.99) | −0.12 (0.33) |
FEV1 (liters)** | 3.80 (0.79) | 3.91 (0.79) | 0.11 (0.18) | 3.86 (0.78) | 3.81 (0.80) | −0.06 (0.19) |
FEV1/FVC | 0.80 (0.05) | 0.80 (0.05) | 0.00 (0.04) | 0.80 (0.05) | 0.81 (0.06) | 0.01 (0.04) |
PEF (liters/min) | 588.57 (119.93) | 575.54 (130.93) | −13.03 (52.02) | 584.83 (123.45) | 568.38 (126.71) | −16.45 (49.98) |