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Table 4 Modified naughton protocol for exercise testing

From: A pilot study of the effect of spironolactone therapy on exercise capacity and endothelial dysfunction in pulmonary arterial hypertension: study protocol for a randomized controlled trial

Stage

Time (minutes)

MPH

% Incline

METS

0 (rest/recovery)

1:00

1.0

0.0

1.8

1

2:00

2.0

0.0

2.5

2

2:00

2.0

3.5

3.4

3

2:00

2.0

7.0

4.4

4

2:00

2.0

10.5

5.4

5

2:00

2.0

14.0

6.4

6

2:00

2.0

17.5

7.3

7

2:00

2.6

14.0

8.0

8

2:00

3.0

14.0

9.1

9

2:00

3.4

14.0

10.2

10

2:00

3.7

14.0

11.0

  1. MET, metabolic equivalent (3.5 ml/kg/min VO2); MPH, miles per hour.