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Table 5 Comparison of cardiopulmonary exercise test results of patients with different prognosis

From: Effect of pre-discharge cardiopulmonary fitness on outcomes in patients with ST-elevation myocardial infarction after percutaneous coronary intervention

 

PP group (n = 30)

GP group (n = 88)

P

VO2 at VT (ml/kg/min)

10.0 (8.8, 12.0)

12.0 (10.0, 14.0)

0.006

Ve/VCO2 slope

36.0 (32.3, 43.9)

33.0 (30.2, 38.1)

0.010

R-HR (bpm)

74.5 (63.0, 89.0)

73.5 (68.0, 81.8)

0.889

R-VCO2(L/min)

0.2 (0.2, 0.3)

0.2 (0.2, 0.3)

0.602

R-Ve(L/min)

12.2 ± 2.3

12.2 ± 2.1

0.862

E-HR (bpm)

90.0 (80.8, 111.5)

95.0 (86.3, 103.8)

0.899

E-VCO2(L/min)

0.6 ± 0.2

0.7 ± 0.2

0.017

E-Ve(L/min)

26.2 ± 6.1

27.2 ± 5.1

0.421

â–³Ve(L/min)

14.0 (11.1, 15.8)

14.4 (11.9, 18.6)

0.311

R-PETCO2 (mm Hg)

29.0 (26.0, 31.3)

31.0 (28.3, 33.0)

0.045

E-PETCO2 (mm Hg)

32.0 (29.0, 35.0)

35.0 (32.0, 37.0)

0.005

â–³PETCO2(mm Hg)

3.0 (2.0, 5.0)

4.0 (3.0, 6.0)

0.022

E-Ve/M (%)

26.0 (21.8, 28.3)

25.0 (22.3, 30.0)

0.843

â–³CO2(L/min)

0.4 ± 0.1

0.5 ± 0.2

0.018

  1. PP group Poor prognosis group, GP group Good prognosis group, VO2 at VT Oxygen consumption per kilogram of weight per minute at anaerobic threshold, Ve/VCO2 slope Minute ventilation/ Carbon dioxide production slope, R-HR Rest heart rate, R-VCO2 Rest carbon dioxide production, R-Ve Rest minute ventilation, E-HR Exercise heart rate, E-VCO2 Exercise carbon dioxide production, E-Ve Exercise minute ventilation, â–³Ve Margin of minute ventilation, R-PETCO2 Rest partial pressure of end-tidal carbon dioxide, E-PETCO2 Exercise partial pressure of end-tidal carbon dioxide, â–³PETCO2 Margin of partial pressure of end-tidal carbon dioxide, E-Ve/M Ratio of exercise minute ventilation to the maximum expected value, â–³CO2 Margin of Minute ventilation carbon dioxide production
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BMC Cardiovascular Disorders

ISSN: 1471-2261

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