Table 1. Comparison of clinical variables between survival and mortality outcomes.
| Variables | Number (%) of patients with survival outcomes (n = 1501) | Number (%) of patients with mortality outcomes (n = 320) | P value |
|---|---|---|---|
| Age (years) | 69.1 ± 14.5 | 72.8 ± 12.3 | <0.001* |
| Age ≥ 80 years | 399 (26.6) | 112 (35.0) | 0.003* |
| Gender | 0.851 | ||
| Male | 887 (59.1) | 191 (59.7) | |
| Female | 614 (40.9) | 129 (40.3) | |
| ICU category | <0.001* | ||
| Medical ICU | 817 (54.4) | 214 (66.9) | |
| Surgical ICU | 684 (45.6) | 106 (33.1) | |
| Diagnosis during RCC admission | <0.001* | ||
| Lung infection | 620 (41.3) | 150 (46.9) | 0.071 |
| Decompensated heart failure | 165 (11.0) | 45 (14.1) | 0.123 |
| Neuromuscular disease | 504 (33.6) | 57 (17.8) | <0.001* |
| Infection other than pneumonia | 108 (7.2) | 36 (11.3) | 0.017* |
| Miscellaneous | 104 (6.9) | 32 (10.0) | 0.061 |
| Had at least one comorbidity | <0.001* | ||
| No | 465 (31.0) | 48 (15.0) | |
| Yes | 1036 (69.0) | 272 (85.0) | |
| APACHE II scores | <0.001* | ||
| <15 | 639 (42.8) | 79 (25.0) | |
| ≥15 | 853 (57.2) | 237 (75.0) | |
| Laboratory examinations | |||
| BUN (mg/dl) | 36.0 ± 26.3 | 58.5 ± 37.6 | <0.001* |
| Creatinine (mg/dl) | 1.4 ± 1.4 | 2.3 ± 1.9 | <0.001* |
| Haemoglobin (g/dl) | 10.0 ± 1.4 | 9.6 ± 1.4 | <0.001* |
| Phosphate (mg/dl) | 3.5 ± 1.1 | 3.6 ± 1.5 | 0.428 |
| Albumin (g/dl) | <0.001* | ||
| >2.0 | 1397 (93.1) | 245 (76.6) | |
| ≤2.0 | 103 (6.9) | 75 (23.4) | |
| Required haemodialysis | <0.001* | ||
| Yes | 187 (12.5) | 92 (28.8) | |
| No | 1314 (87.5) | 228 (71.3) | |
| ICU cost (USD) | 10599 ± 5839 | 13719 ± 9591 | <0.001* |
| RCC cost (USD) | 7207 ± 2804 | 6285 ± 3140 | <0.001* |
| With or without tracheostomya | <0.001* | ||
| Trans-laryngeal intubation | 240 (20.4) | 103 (36.3) | |
| Tracheostomy | 935 (79.6) | 181 (63.7) |
Data shown as number (%) or mean ± SD. Abbreviations: RCC, respiratory care centre; APACHE II, Acute Physiology and Chronic Health Evaluation II; ICU, intensive care unit; BUN, blood urea nitrogen; USD, United States Dollar.
aOf the patients who were not weaned, 1,459 patients had an artificial airway before death or being discharged.
*Statistically significant between groups (P < 0.05).