Table 3. Univariate and multivariate analyses for risk factors of subsequent readmission during the 1-yr follow up (n = 67).
| Variables | P value | P value* | OR (95% CI) * |
|---|---|---|---|
| Age | 0.018 | 0.501 | 0.992 (0.967-1.016) |
| Sex | 0.377 | - | - |
| Smoking | 0.469 | - | - |
| TDL vs. non-TDL | 0.013 | 0.042 | 2.176 (1.028-4.609) |
| NYHA class | 0.054 | - | - |
| Home O2 | 0.074 | - | - |
| Pitting edema | 0.085 | - | - |
| WBC | 0.879 | - | - |
| Hematocrit | 0.176 | - | - |
| Creatinine | 0.582 | - | - |
| Albumin | 0.638 | - | - |
| Bilirubin | 0.278 | - | - |
| Troponin I | 0.019 | 0.888 | 0.805 (0.040-16.388) |
| [Na+] | 0.021 | 0.833 | 0.994 (0.937-1.054) |
| FVC % predicted | 0.353 | - | - |
| FEV1 % predicted | 0.941 | - | - |
| RV systolic pressure | 0.129 | - | - |
| PaCO2 | 0.540 | - | - |
| PaO2 | 0.878 | - | - |
| Admission BNP (per 100 pg/mL) | 0.001 | 0.027 | 1.049 (1.005-1.094) |
| Hypotension | 1.000 | - | - |
| Heart rate | 0.494 | - | - |
| ICU admission | 0.774 | - | - |
| Length of hospital stay | 0.293 | - | - |
*Cox proportional regression analysis. BNP, brain natriuretic peptide; CI, confidence interval; FVC, forced vital capacity; FEV1, forced expiratory volume in 1 sec; ICU, intensive care unit; NYHA, New York Heart Association; OR, odds ratio; RV, right ventricle; TDL, tuberculosis-destroyed lung; WBC, white blood cell.