Table 1.
Differences in sociodemographic and clinical characteristics of patients with pulmonary hypertension and control group*
| Variable | Group | Median | 25-75 percentile | P‡ |
|---|---|---|---|---|
| Age (years)* |
control |
58.50 |
48.00-66.00 |
0.278 |
| PH |
60.00 |
39.00-75.00 |
||
| Smoking years (n) |
control |
20.00 |
0.00-35.75 |
0.651 |
| PH |
30.00 |
20.00-30.00 |
||
| Pack per year (n) |
control |
35.00 |
0.00-52.50 |
0.788 |
| PH |
30.00 |
20.00-40.00 |
||
| BMI (kg/m2) |
control |
27.53 |
26.42-30.10 |
0.068 |
| PH |
26.32 |
23.60-28.25 |
||
| BSA (m2) |
control |
1.94 |
1.90-2.02 |
0.245 |
| PH |
1.90 |
1.77-2.02 |
||
| Exacerbations in one year (n) |
control |
3.00 |
2.00-3.00 |
0.083 |
| PH |
3.00 |
3.00-3.75 |
||
| CAT |
control |
28.00 |
24.50-31.25 |
0.894 |
| PH |
28.50 |
25.00-32.75 |
||
| FVC (%) |
control |
59.00 |
40.05-78.00 |
0.784 |
| PH |
57.20 |
47.43-72.03 |
||
| FEV1 (%) |
control |
32.50 |
20.43-50.00 |
0.551 |
| PH |
33.70 |
22.20-46.08 |
||
| FEV1/FVC |
control |
45.30 |
35.20-65.00 |
0.678 |
| PH |
49.95 |
39.00-61.00 |
||
| DLCO |
control |
37.50 |
32.50-55.00 |
0.090 |
| PH |
50.00 |
40.00-65.00 |
||
| 6-MWT |
control |
240.00 |
180.00-370.00 |
0.052 |
| PH |
182.50 |
125.00-267.50 |
||
| BODE | control |
5.50 |
2.00-6.25 |
0.006 |
| PH | 6.00 | 4.25-7.00 |
*Abbreviations: PH – pulmonary hypertension; BMI – body mass index; BSA – body surface area; CAT – COPD assessment test; FVC – forced volume vital capacity; FEV1 – forced expiratory volume in 1st second; FEV1/FVC – the Tiffeneau-Pinelli index; DLCO – diffusing capacity for carbon monoxide; 6-MWT six-minute walking test; BODE – body mass index, airflow obstruction, dyspnea, and exercise.
‡Mann-Whitney U test.