Table 6 Characteristics of subjects with Logit(P) < 0.716 and Logit(P) > 0.716 calculated by the predication equation in validation set
From: Cardiopulmonary exercise testing and pulmonary function testing for predicting the severity of CTEPH
Variables | Logit(P) < 0.716 | Logit(P) > 0.716 | P |
|---|---|---|---|
Age (years) | 54.0 ± 13.0 | 60.8 ± 6.7 | 0.102 |
Sex, n (female/male) | 14/5 | 7/5 | 0.075 |
Height (m) | 1.6 ± 0.1 | 1.6 ± 0.1 | 0.348 |
Weight (kg) | 61.2 ± 10.2 | 66.4 ± 10.9 | 0.187 |
Body mass index (kg/m2) | 23.7 ± 3.8 | 24.5 ± 2.6 | 0.501 |
WHO classification II/III/IV, n | 10/9/0 | 2/9/1 | 0.082 |
NT-proBNP (pg/mL) | 203.0 (79.0,634.0) | 1305.0 (659.0,2284.0) | 0.002 |
PAP (mm Hg) | 36.3 ± 11.7 | 53.0 ± 4.6 | < 0.0001 |
PAWP (mm Hg) | 7.5 ± 3.7 | 6.3 ± 2.6 | 0.338 |
CO (L/min) | 4.9 ± 1.0 | 4.2 ± 1.0 | 0.075 |
CI (L/min/m2) | 3.0 ± 0.5 | 2.5 ± 0.5 | 0.017 |
PVR (wood u) | 6.3 ± 2.6 | 11.5 ± 3.6 | < 0.0001 |
RAP (mm Hg) | 3.0 (2.0,5.0) | 7.5 (3.5,8.8) | 0.045 |
VE @ AT (L/min) | 26.0 ± 6.4 | 35.6 ± 7.1 | 0.001 |
VO2 @ Peak (mL/kg/min) | 13.8 ± 2.7 | 11.1 ± 1.8 | 0.005 |