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Table 3 aMean and difference of lung function measurements by time of measure and by route type (n = 32)

From: Respiratory outcomes of ultrafine particulate matter (UFPM) as a surrogate measure of near-roadway exposures among bicyclists

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)

  1. **< 0.005 (significant difference in average lung function measure between low traffic routes and high traffic routes
  2. aMean (SD)
  3. bDiff = Post-ride minus Pre-ride (SD)