Table 1.
Mean values and SDs of the baseline characteristics of all participants and preoperative general medical records of CTEPH patients.
| Variables |
Control
(n = 32) |
CTEPH patients
(n = 71) |
P-Value | |
|---|---|---|---|---|
| Age, years | 42.5 ± 8.0 | 47.6 ± 13.6 | 0.052 | |
| Male, no. (%) | 15 (46.9%) | 45 (63.4%) | 0.134 | |
| SBP/DPB, mmHg | 121/72 | 114/70 | 0.329 | |
| BMI | 23.7 ± 2.4 | 23.3 ± 3.4 | 0.608 | |
| BSA | 1.8 ± 0.2 | 1.8 ± 0.2 | 0.234 | |
| Blood glucose | 5.0 ± 0.2 | 4.5 ± 0.6 | ||
| Hemoglobin (g/dL) | 130 ± 5.6 | 140 ± 20 | ||
| Renal function | ||||
| BUN (mmol/L) | 4.5 ± 0.4 | 5.7 ± 1.6 | ||
| Creatinine (mol/L) | 61.8 ± 10.2 | 85.2 ± 16.0 | ||
| Liver function | ||||
| Total bilirubin (mol/L) | 7.5 ± 2.5 | 17.2 ± 9.4 | ||
| Direct bilirubin (mol/L) | 1.4 ± 0.3 | 4.7 ± 3.9 | ||
| NT pro-BNP | 799.0 ± 882.1 (5 ~ 4,585) |
|||
| NYHA | I | 32 (100%) | 0 (0%) | |
| II | 27 (38%) | |||
| III | 42 (59.2%) | |||
| IV | 2 (2.8%) | |||
| 6MWT | ≤ 300 m | 12 (24.5%) | ||
| 300–375 m | 11 (22.4%) | |||
| 375–449.9 m | 17 (34.7%) | |||
| ≥450 m | 32 (100%) | 9 (18.4%) | ||
| GFR | ≥90 ml/min | 32 (100%) | 34 (47.9%) | |
| 60–89 ml/min | 25 (35.2%) | |||
| 30–59 ml/min | 10 (14.1%) | |||
| 15–29 ml/min | 2 (2.8%) | |||
CTEPH, chronic thromboembolic pulmonary hypertension; BMI, body mass index; BSA, body surface area; BUN, blood urea nitrogen; NT pro-BNP, N-terminal prohormone of brain natriuretic peptide; 6MWT, 6-minute walk test; GFR, glomerular filtration rate.