Table 3.
Binomial logistic regression analysis of BUN for in-hospital mortality among critically ill patients with AECOPD (after PSM).
| Variable | Univariate Analysis | Multivariate Analysis | ||
|---|---|---|---|---|
| OR (95% CI) | p | OR (95% CI) | p | |
| Age | 1.013 (0.992–1.035) | 0.233 | ||
| Gender (male) | 0.882 (0.568–1.369) | 0.575 | ||
| LOS hospital | 0.999 (0.976–1.022) | 0.919 | ||
| LOS ICU | 1.075 (1.026–1.172) | 0.002 | 1.077 (1.027–1.130) | 0.002 |
| Hemoglobin | 0.993 (0.901–1.095) | 0.890 | ||
| WBC | 1.008 (0.980–1.036) | 0.571 | ||
| Platelets | 0.999 (0.997–1.001) | 0.575 | ||
| Glucose | 1.022 (0.998–1.005) | 0.375 | ||
| Creatinine | 1.017 (0.806–1.283) | 0.885 | ||
| MCHC | 1.048 (0.920–1.193) | 0.481 | ||
| RDW | 1.009 (0.927–1.099) | 0.830 | ||
| Hematocrit | 0.995 (0.964–1.027) | 0.747 | ||
| BUN | 1.016 (1.004–1.027) | 0.008 | 1.015 (1.003–1.027) | 0.015 |
| Bicarbonate | 0.984 (0.948–1.022) | 0.408 | ||
| Hypertension (yes) | 0.946 (0.597–1.499) | 0.814 | ||
| Diabetes (yes) | 0.970 (0.598–1.573) | 0.902 | ||
| Congestive heart failure (yes) | 1.079 (0.693–1.680) | 0.735 | ||
| Coronary artery disease (yes) | 1.340 (0.833–2.155) | 0.228 | ||
| Chronic kidney disease (yes) | 1.034 (0.622–1.720) | 0.897 | ||
| Severe liver disease (yes) | 1.258 (0.332–4.774) | 0.736 | ||
| Obesity (yes) | 0.953 (0.518–1.752) | 0.877 | ||
| Malignant cancer (yes) | 1.146 (0.687–1.911) | 0.602 | ||
| Cerebrovascular disease (yes) | 1.149 (0.553–2.390) | 0.709 | ||
| Heart rate | 1.002 (0.988–1.016) | 0.815 | ||
| Mean arterial pressure | 0.981 (0.960–1.002) | 0.081 | 0.987 (0.965–1.009) | 0.251 |
| Respiratory rate | 1.016 (0.962–1.074) | 0.566 | ||
| SpO2 | 0.967 (0.886–1.057) | 0.464 | ||
| Mechanical ventilation (yes) | 1.393 (0.878–2.212) | 0.159 | ||
AECOPD, acute exacerbation of chronic obstructive pulmonary disease; PSM, propensity score matching; OR, odds ratio; CI, confidence interval; LOS, length of stay; ICU, intensive care unit; WBC, white blood cells; BUN, blood urea nitrogen; MCHC, mean corpuscular hemoglobin concentration; RDW, red blood cell distribution width.