Table 1

Mean (SD) exercise data

Baseline Isotime End exercise
Free walk
 pH7.41 (0.01)7.36 (0.04)1-159 1-152
 Pco 2 (kPa)5.38 (0.42)6.32 (0.77)1-159 1-152
 Po 2 (kPa)7.54 (1.26)5.59 (0.87)
 Lactate (mmol/l)1.65 (0.40)2.96 (0.90)1-150
IPS assisted walk
 pH7.44 (0.02)1-151 7.39 (0.02)7.37 (0.02)1-159
 Pco 2 (kPa)4.99 (0.57)1-151 5.83 (0.60)5.86 (0.67)1-159 1-151
 Po 2(kPa)8.47 (1.19)6.16 (1.13)5.84 (1.27)
 Lactate (mmol/l)1.53 (0.44)2.42 (0.79)1-150 2.42 (1.01)1-150 1-154
  • 1-151 Significantly different from free walk (p<0.05).

  • 1-150 Significantly different from pre-walk (p<0.01).

  • 1-154 Significantly different from free walk (p<0.01).

  • 1-159 Significantly different from pre-walk (p<0.02).

  • 1-152 Significantly different from IPS walk at isotime (p<0.04).