Table 4 Clinical measurement summary by route (Downtown and Residential) of post- and pre- cycling clinical measurements
From: Particulate matter exposure and health impacts of urban cyclists: a randomized crossover study
Variable | Downtown route | Residential route | ∆ Downtown - ∆ Residential |
|---|---|---|---|
Change (post-pre) Mean [∆ Downtown] (95% CI) | Change (post-pre) Mean [∆ Residential] (95% CI) | Mean difference (95% CI) | |
Endothelial Function- EndoPATâ„¢ | |||
 RHI | −0.18 (−0.46, 0.11) | 0.25 (0.03, 0.47) | −0.39 (−0.77, −0.017) |
Spirometry (unit) | |||
 FVC (mL) | 46 (−3.8, 97) | 21 (−84, 130) | 28 (−77, 134) |
 FEV1 (mL) | 46 (6.6, 86) | 49 (−11, 110) | −0.81 (−62, 64) |
 FEF25–75 (mL/s) | 110 (23, 190) | 82 (−59, 220) | 0.024 (−0.13, 0.18) |
Blood Measures (unit) | |||
 CRP (μg/dL) | 8.8 (−12, 29) | 6.6 (−30, 43) | 2.4 (−44, 49) |
 IL-6 (pg/ml) | 0.55 (−0.59, 1.68) | −0.61 (−1.8, 0.57) | 1.13 (−0.82, 3.1) |
 8-OHdG (ng/ml) | −0.00045 (−0.040, 0.040) | −0.031 (−0.071, 0.0082) | 0.029 (−0.023, 0.081) |