TABLE 1.
Comparisons of ANP, BNP, cTnI and CRP levels, and APACHE II scores between survivors and nonsurvivors by days in ICU
| Characteristic | Survivors | Nonsurvivors | P |
|---|---|---|---|
| Age, years | 60.9±16.8 | 65.4±18.0 | >0.05 |
| ICU days | 18.7±3.7 | 19.4±18.0 | >0.05 |
| Ventilation, days | 14.9±3.2 | 18.7±17.1 | >0.05 |
| ANP, pg/mL | |||
| Day 1 | 23.96±29.93 | 70.00±49.54 | <0.001 |
| Day 2 | 10.06±6.03 | 138.85±143.15 | <0.001 |
| Last day | 6.68±100.98 | 375.70±262.66 | <0.001 |
| BNP, pg/mL | |||
| Day 1 | 13.72±12.95 | 254.78±308.62 | <0.001 |
| Day 2 | 7.20±5.85 | 383.22±307.19 | <0.001 |
| Last day | 4.51±4.64 | 696.47±340.33 | <0.001 |
| cTnI, μg/L | |||
| Day 1 | 0.24±0.56 | 0.19±0.48 | >0.05 |
| Day 2 | 0.04±0.07 | 0.16±0.38 | <0.05 |
| Last day | 0.02±0.01 | 0.78±2.48 | <0.05 |
| CRP, mg/L | |||
| Day 1 | 103±105 | 102.4±71.1 | >0.05 |
| Day 2 | 57.0±29.7 | 119.3±71.5 | <0.05 |
| Last day | 26.8±24.0 | 145.7±74.7 | <0.05 |
| APACHE II | |||
| Day 1 | 19.4±3.57 | 23.3±4.67 | >0.05 |
| Day 2 | 16.35±3.36 | 25.8±5.18 | <0.001 |
| Last day | 12.90±2.75 | 35.7±6.23 | <0.001 |
All data reported as mean ± SD. ANP Atrial natriuretic peptide; APACHE II Acute Physiology and Chronic Health Evaluation II; BNP Brain natriuretic peptide; cTnI Cardiac troponin I; CRP C-reactive protein; ICU Intensive care unit