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Table 4 Baseline characteristics and physiology of patients with and without MPAP ≥ 20 mmHg

From: Mean pulmonary arterial pressure as a prognostic indicator in connective tissue disease associated with interstitial lung disease: a retrospective cohort study

Variable

MPAP < 20 mmHg

MPAP ≥ 20 mmHg

P value

(N = 58)

(N = 16)

Sex, M/F

24/34

9/7

<0.001

Age, years

62.9 ± 9.0

61.9 ± 11.4

0.777

BMI

22.7 ± 3.9

23.8 ± 4.3

0.270

Smoking, ever/never

22/36

9/7

<0.001

FVC, % predicted

82.5 ± 19.3

76.0 ± 17.4

0.318

DLCO, % predicted

58.8 ± 17.9

51.2 ± 23.0

0.092

RV, % predicted

82.6 ± 30.9

76.3 ± 34.2

0.867

TLC, % predicted

82.6 ± 18.9

72.5 ± 13.8

0.343

PaO2, mmHg

81.3 ± 10.2

78.6 ± 8.9

0.627

A-a gradient, mmHg

18.7 ± 11.6

25.1 ± 10.0

0.182

MPAP, mmHg

14.9 ± 2.8

24.9 ± 4.3

<0.001

Cardiac index, l/min/m2

3.36 ± 0.69

3.49 ± 0.79

0.458

PVRI, Wood units/m2

188.6 ± 73.9

258.2 ± 115.6

<0.001

  1. Data are presented as means ± SD or numbers
  2. N = 74 except for DLCO (N = 72)