表 1.
患者基本特征表
Demographic and clinical characteristics of the included patients
| Variables | Survival group (n=1679) | Death group (n=690) | P |
| COPD: Chronic obstructive pulmonary disease; WBC: White blood cell. | |||
| Gender | <0.001 | ||
| Female | 784 (46.7%) | 376 (54.5%) | |
| Male | 895 (53.3%) | 314 (45.5%) | |
| Age (year) | 69.5±14.3 | 78.8±11.6 | <0.001 |
| Weight (kg) | 81.9±21.1 | 72.9±18.9 | <0.001 |
| Smoking history | 0.9 | ||
| Yes | 306 (18.2%) | 128 (18.6%) | |
| No | 1373 (81.8%) | 562 (81.4%) | |
| Ventilation | <0.001 | ||
| Yes | 927 (55.2%) | 319 (46.2%) | |
| No | 752 (44.8%) | 371(53.8%) | |
| Hypertension | <0.001 | ||
| Yes | 927 (55.2%) | 319(46.2%) | |
| No | 752 (44.8%) | 371 (53.8%) | |
| Hyperlipidemia | <0.001 | ||
| Yes | 1148 (68.4%) | 410 (59.4%) | |
| No | 531 (31.6%) | 280 (40.6%) | |
| Diabetes | 0.02 | ||
| Yes | 402 (23.9%) | 198 (28.7%) | |
| No | 1277 (76.1%) | 492 (71.3%) | |
| COPD | 0.02 | ||
| Yes | 402 (23.9%) | 198 (28.7%) | |
| No | 1277 (76.1%) | 492 (71.3%) | |
| Coronary heart disease | 0.34 | ||
| Yes | 620 (36.9%) | 270 (39.1%) | |
| No | 1059 (63.1%) | 420 (60.9%) | |
| Atrial fibrillation | 0.004 | ||
| Yes | 528 (31.4%) | 312 (45.2%) | |
| No | 1151 (68.6%) | 378 (54.8%) | |
| Heart rate (rate/min) | 77.9±14.0 | 85.2±15.8 | <0.001 |
| Diastolic blood pressure (mmHg) | 68.7±13.1 | 66.9±12.1 | 0.002 |
| Systolic blood pressure (mmHg) | 130.6±18.7 | 130.2±20.3 | 0.67 |
| Respiratory rate (rate/min) | 18.5±3.0 | 20.2±3.8 | <0.001 |
| Temperature (℃) | 36.8±0.4 | 36.9±0.5 | 0.03 |
| Oxygen saturation (%) | 96.8±1.7 | 97.2±2.0 | 0.003 |
| Glucose (mg/dL) | 147.9±77.9 | 174.3±96.1 | <0.001 |
| WBC (109/L) | 11.8±5.5 | 13.3±6.3 | <0.001 |
| Blood urea nitrogen (mg/dL) | 22.2±15.1 | 32.3±24.2 | <0.001 |
| Serum creatinine (mg/dL) | 1.2±1.2 | 1.5±1.2 | <0.001 |
| Sodium (mmol/L) | 140.2±3.6 | 141.0±5.5 | 0.003 |
| International Normalized Ratio | 1.4±0.7 | 1.5±1.0 | 0.002 |
| Partial thromboplastin time (s) | 36.9±19.4 | 36.8±17.3 | 0.9 |
| Erythrocyte specific volume (%) | 34.2±7.0 | 33.1±6.4 | <0.001 |
| Platelets (109/L) | 204.3±79.5 | 212.9±94.0 | 0.04 |
| Anion gap (mmol/L) | 13.1±2.9 | 14.3±3.3 | <0.001 |
| Bicarbonate (mmol/L) | 22.5±3.4 | 21.7±4.5 | <0.001 |
| Calcium (mmol/L) | 8.5±0.8 | 8.4±0.7 | 0.07 |
| Chloride (mmol/L) | 102.9±4.9 | 102.1±5.9 | 0.004 |
| Potassium (mmol/L) | 3.9±0.5 | 3.9±0.6 | 0.27 |
| SOFA score | 3.4±2.6 | 5.5±3.4 | <0.001 |