Table 3

Time constants for the onset and offset of exercise for carbon dioxide production (V˙co 2) and ventilation (V˙e)

Patients (n = 10)Controls (n = 10)95% CI
co 2 τ onset1.63 (0.81)1.24 (0.90)−0.41 to 1.20
τ offset1.75 (0.58)1.07 (0.36)3-160 0.23 to 1.14
Ve τ onset2.18 (1.30)1.35 (1.43)−0.45 to 2.12
τ offset1.87 (0.70)1.19 (0.38)3-150 0.15 to 1.21
  • Values are mean (SD).

  • 3-150 p = 0.01;

  • 3-160 p < 0.01.

  • CI, confidence interval.