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Table 3 Summary of outcome variables from constant load tests (n = 8)

From: Feasibility of cardiopulmonary exercise testing and training using a robotics-assisted tilt table in dependent-ambulatory stroke patients

Outcome variables

Values

Initial rest phase

 V'O2 absolute (mL/min)

243.9 ± 33.6

 V'O2 relative (mL/min/kg)

3.30 ± 0.43

 HR (beats/min)

73.8 ± 9.8

Passive phase

 V'O2 absolute (mL/min)

316.6 ± 75.9

 V'O2 relative (mL/min/kg)

4.20 ± 0.78

 HR (beats/min)

76.3 ± 10.0

Constant load phase

 V'O2 absolute (mL/min)

519.5 ± 117.7

 V'O2 relative (mL/min/kg)

6.9 ± 1.6

 V'O2 as % of V'O2 reserve

48.7 ± 19.1

 HR (beats/min)

90.3 ± 18.6

 HR as % of HR reserve

34.8 ± 32.0

 HR as % of HRmax

56.0 ± 9.9

 WR (W)

11.5 ± 6.1

 Borg CR10 RPE scale dyspnea

2.1 ± 1.0

 Borg CR10 RPE scale leg effort

2.9 ± 0.6

 RMSE of WR (W)

1.3 ± 1.0

  1. Values are mean ± SD
  2. Abbreviations: V'O2, oxygen uptake; HR, heart rate; WR, work rate; W, Watts; RPE, rating of perceived exertion; RMSE, root mean square error