Table 1 Demographic and clinical characteristics of study subjects (N = 551).
Variables | Mean (SD) or N (%) |
|---|---|
Age | 71.3 ± 12.2 |
Male | 299 (54.26) |
Presentation of symptoms | |
Dyspnea | 353 (64.07) |
Tachypnea | 333 (60.44) |
Hemoptysis | 65 (11.8) |
Pleuritic pain | 45 (8.17) |
Hydrothorax | 148 (26.86) |
Syncope | 70 (12.7) |
Hypoxia | 319 (57.89) |
Fever | 122 (22.14) |
Cough | 333 (60.44) |
Edema in lower extremities (Class 1–3) | 130 (23.59) |
Comorbidity | |
Hypertension | 249 (45.19) |
AF | 72 (13.07) |
CHD | 88 (15.97) |
DM | 64 (11.62) |
COPD | 177 (32.12) |
Thrombosis in lower extremities | 124 (22.5) |
Cancers | 69 (12.52) |
Laboratory indicators | |
WBC | 7.86 ± 3.64 |
NGC | 0.72 ± 0.18 |
RBC | 4.04 ± 0.66 |
HGB | 122.03 ± 19.89 |
PLT | 206.04 ± 75.34 |
ALB | 36.35 ± 4.51 |
D_D | 5.51 ± 5.79 |
Blood gas indicators | |
PH | 7.43 ± 0.06 |
PPO | 85.99 ± 32.15 |
PPOCD | 40.7 ± 12.97 |
LAC | 2.07 ± 5.84 |
Ultrasonic indicators | |
PAP (Class 1–3) | 340 (61.71) |
TTVR (Class 1–3) | 196 (35.57) |
