Table 1.
Clinical characteristics of hospital survivors and non-survivors
| n | Hospital Non-survivors |
n | Hospital Survivors | P-value | |
|---|---|---|---|---|---|
| Male Sex | 1,561 | 57.3% (894) | 5,590 | 60.2% (3,365) | 0.035 |
| APACHE II score | 1,250 | 24.6 (8.1) | 4,845 | 15.1 (6.6) | < 0.0001 |
| Age (yr) | 1,428 | 65.8 (16.6) | 5,181 | 59.7 (18.9) | < 0.0001 |
| Number on mechanical ventilation | 1,434 | 81.2% (1164) | 5,515 | 55.6% (3,066) | < 0.0001 |
| Surgical patients | 1,565 | 28.4% (444) | 5,590 | 48.7% (2,722) | < 0.0001 |
| Diagnosis at admission | |||||
| Cardiac and vascular | 1,565 | 26% (407) | 5,590 | 21.6% (1,207) | 0.0003 |
| Thoracic and respiratory | 1,565 | 18.5% (290) | 5,590 | 18.9% (1,057) | 0.69 |
| Trauma | 1,565 | 2.2% (34) | 5,590 | 7.9% (442) | < 0.0001 |
| Neurological | 1,565 | 14.1% (221) | 5,590 | 10.9% (609) | 0.0004 |
| Gastrointestinal tract diseases | 1,565 | 14.1% (221) | 5,590 | 22.9% (1,280) | < 0.0001 |
| Other | 1,565 | 25% (391) | 5,590 | 17.7% (989) | < 0.0001 |
| ICU stay (days) | 1,559 | 3.0 (1.5 to 6.6) | 5,589 | 2.5 (1.6 to 4.9) | < 0.0001 |
| Hospital stay (days) | 1,312 | 9 (3 to 24) | 5,131 | 14 (8 to 29) | < 0.0001 |
|
Admission blood lactate (mmom.L-1) |
1,395 | 2.3 (1.4 to 4.4) | 5,037 | 1.5 (1.0 to 2.4) | < 0.0001 |
| Time-weighted blood lactate (mmom.L-1) | 1,411 | 2.0 (1.4 to 3.3) | 4,977 | 1.3 (1.0 to 1.8 | < 0.0001 |
| Max blood lactate (mmom.L-1) | 1,565 | 4.0 (2.2 to 7.5) | 5,590 | 2.1 (1.4 to 3.3) | < 0.0001 |
Data are expressed as, percentage (number), (standard deviation) or median (interquartile range).
APACHE II, Acute Physiology and Chronic Health Evaluation II.