Table 3.
Logistic regression models, odds ratio for mortality estimated for original SOFA categories (reference = 0 in each category)
| SOFA component | ICU mortality OR (95% CI) | 30-day mortality OR (95% CI) |
|---|---|---|
| Respiratory | ||
| 1 | 1.15 (0.86 to 1.53) | 1.13 (0.89 to 1.44) |
| 2 | 1.52 (1.17 to 1.99) | 1.64 (1.31 to 2.06) |
| 3 | 1.52 (1.14 to 2.02) | 1.48 (1.16 to 1.90) |
| 4 | 3.11 (2.20 to 4.40) | 2.68 (1.94 to 3.70) |
| Cardiovascular | ||
| 1 | 1.16 (0.91 to 1.48) | 1.05 (0.85 to 1.30) |
| 2 | 0.57 (0.33 to 1.00) | 0.53 (033 to 0.87) |
| 3 | 1.01 (0.79 to 1.30 | 0.94 (0.75 to 1.17) |
| 4 | 1.88 (1.50 to 2.37) | 1.68 (1.37 to 2.07) |
| Hepatic | ||
| 1 | 1.25 (0.99 to 1.58) | 1.20 (0.97 to 1.48) |
| 2 | 1.59 (1.17 to 2.15) | 1.81 (1.36 to 2.40) |
| 3 | 1.89 (0.87 to 4.10) | 1.96 (0.93 to 4.14) |
| 4 | 1.92 (0.69 to 5.35) | 2.43 (0.86 to 6.87) |
| Renal | ||
| 1 | 1.55 (1.26 to 1.90) | 1.54 (1.28 to 1.84) |
| 2 | 1.79 (1.41 to 2.26) | 1.80 (1.45 to 2.22) |
| 3 | 2.62 (1.89 to 3.62) | 2.54 (1.87 to 3.45) |
| 4 | 2.31 (1.60 to 3.32) | 1.94 (1.39 to 2.71) |
| Neurological | ||
| 1 | 1.38 (1.10 to 1.72) | 1.45 (1.20 to 1.76) |
| 2 | 1.92 (1.44 to 2.58) | 1.61 (1.24 to 2.11) |
| 3 | 2.20 (1.64 to 2.96) | 2.04 (1.55 to 2.68) |
| 4 | 4.51 (3.58 to 5.70) | 3.17 (2.54 to 3.95) |
| Coagulation | ||
| 1 | 1.17 (0.94 to 1.46) | 1.05 (0.87 to 1.28) |
| 2 | 1.40 (1.03 to 1.90) | 1.06 (0.80 to 1.42) |
| 3 | 2.94 (1.67 to 5.18) | 2.45 (1.38 to 4.35) |
| 4 | 0.84 (0.19 to 3.72) | 1.59 (0.45 to 5.62) |
Aside from the SOFA score components the regression model included age, sex, reason for ICU admission and CFS score. Age and CFS score were treated as continuous variables in the model