Table 4.
Prognostic factors compared by quartile of variability
| Variable | OR | p-value | Confidence Interval 95% | |
|---|---|---|---|---|
| Inferior limit | Superior limit | |||
| CV | ||||
| Quartile 1–2 | 2.04 | 0.11 | 0.83 | 4.98 |
| Quartile 1–3 | 2.10 | 0.12 | 0.82 | 5.41 |
| Quartile 1–4 | 3.34 | 0.01* | 1.27 | 8.74 |
| SAPS-3 | 1.02 | 0.18 | 0.98 | 1.05 |
| Obesity | 0.72 | 0.31 | 0.39 | 1.34 |
| SOFA | 1.09 | 0.24 | 0.94 | 1.27 |
| Age | 1.03 | 0.01* | 1.00 | 1.06 |
| Comorbidities | 1.21 | 0.53 | 0.66 | 2.20 |
| Diabetes | 1.37 | 0.45 | 0.59 | 3.17 |
Bivariate logistic regression with calculation of risk factors for hospital mortality predefined model with prognostic factors previously analyzed in observational studies. *p < 0.05 considered statistically significant; VC, coefficient of variability; Quartile 1, ≤19%; Quartile 2, 20–27%; Quartile 3, 28–34%; Quartile 4, ≥35%