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Table 1 Descriptive statistics of the patient’s characteristics

From: Dyspnea, effort and muscle pain during exercise in lung transplant recipients: an analysis of their association with cardiopulmonary function parameters using machine learning

Variable

Value

Age, years

41 [30; 48]

BMI, kg/m2

23.14 [20.01; 24.82]

WR, W

93 [78; 103.5]

VO2 peak mL/min

1141 [1004; 1271]

VO2 mL/kg/min

15.6 [14.5; 21.3]

RER max

1.23 [1.17; 1.34]

HR peak, bpm

139 [129; 144]

O2 pulse peak, mL/beat

8.4 [7.6; 9.5]

VO2/W slope

8.8 [8.3; 9.2]

HR/VO2 slope

2.7 [21.5; 36.5]

VE/VCO2 slope

29.3 [27.2; 31.3]

VE/VO2 slope

34 [27.7; 38.8]

VE peak, L

48.4 [32.1; 60.4]

BR %MVV

46 [32; 53]

P(a-ET)CO2 peak, mmHg

-2.6 [-5.25; -0.85]

A-aO2 peak, mmHg

21.5 [16.5; 30.2]

pH rest

7.42 [7.41; 7.44]

pH peak

7.36 [7.33; 7.38]

PaCO2 rest, mmHg

34.6 [32.6; 35.6]

PaCO2 peak, mmHg

30.0 [26.4; 32.0]

PaO2 rest, mmHg

89.2 [86.3; 95.8]

PaO2 peak, mmHg

101.2 [89.5; 110.7]

HCO3− rest, mmol/L

23.3 [21.7; 24.3]

HCO3− peak, mmol/L

18.4 [16.7; 20.0]

BE rest, mmol/L

-2.2 [-3.2; -0.5]

BE peak, mmol/L

-8.3 [-10.3; -5.2]

K+ rest, mmol/L

4.22 [3.99; 4.54]

K+ peak, mmol/L

5.35 [5.02; 5.48]

Gender (male)

18 (0.75)

Gender (female)

6 (0.25)

  1. Continuous variables are represented with median [I quartile, III quartile]. Categorical variables are represented with frequencies (percentages)