Table 2.
Reassessment of the points allocated to each item of Simplified Acute Physiology Score II items
| Items of SAPS II score | Pointsa (original/ELOISE study) | Difference |
|---|---|---|
| Age, years | ||
| 20–39 | 0/0 | 0 |
| 40–59 | 7/7 | 0 |
| 60–69 | 12/11 | 1 |
| 70–74 | 15/14 | 1 |
| 75–79 | 16/15 | 1 |
| ≥ 80 | 18/19 | −1 |
| Heart rate, beats/minute | ||
| < 40 | 11/4 | 7 |
| 40–69 | 2/−5 | 7 |
| 70–119 | 0/0 | 0 |
| 120–159 | 4/3 | 1 |
| ≥ 160 | 7/−5 | 12 |
| SBP, mmHg | ||
| ≥ 200 | 2/3 | −1 |
| 100–199 | 0/0 | 0 |
| 70–99 | 5/3 | 2 |
| < 70 | 13/7 | 6 |
| PaO2, mmHg/FiO2 | ||
| No ventilation | 0/0 | 0 |
| ≥ 200 | 6/3 | 3 |
| 100–199 | 9/6 | 3 |
| < 100 | 11/11 | 0 |
| Urinary output, L/day | ||
| ≥ 1.000 | 0/0 | 0 |
| 0.500–0.999 | 4/0 | 4 |
| < 0.500 | 11/8 | 3 |
| Serum urea level, mmol/L | ||
| < 10.0 | 0/0 | 0 |
| 10.0–29.9 | 6/4 | 2 |
| ≥ 30.0 | 10/5 | 5 |
| Body temperature | ||
| < 39 °C | 0/0 | 0 |
| ≥ 39 °C | 3/−2 | 5 |
| WBC count, ×103/mm3 | ||
| < 1.0 | 12/8 | 4 |
| 1.0–19.9 | 0/0 | 0 |
| ≥ 20.0 | 3/2 | 1 |
| Serum potassium, mmol/day | ||
| ≥ 3 and <5 | 0/0 | 0 |
| < 3 or ≥5 | 3/2 | 1 |
| Serum sodium level, mmol/L | ||
| < 125 | 5/−1 | 6 |
| ≥ 125 and <145 | 0/0 | 0 |
| ≥ 145 | 1/5 | −4 |
| Serum bicarbonate level, mEq/L | ||
| ≥ 20 | 0/0 | 0 |
| 15–19 | 3/4 | −1 |
| < 15 | 6/9 | −3 |
| Bilirubin level, μmol/L | ||
| < 68.4 | 0/0 | 0 |
| 68.4–102.5 | 4/2 | 2 |
| ≥ 102.6 | 9/10 | −1 |
| Glasgow Coma Scale score | ||
| 14–15 | 0/0 | |
| 11–13 | 5/5 | 0 |
| 9–10 | 7/9 | −2 |
| 6–8 | 13/10 | 3 |
| < 6 | 26/16 | 10 |
| Chronic disease | ||
| No | 0/0 | 0 |
| Metastatic cancer | 9/8 | 1 |
| Hematologic malignancy | 10/9 | 1 |
| AIDS | 17/9 | 8 |
| Type of admission | ||
| Scheduled surgical | 0/0 | 0 |
| Medical | 6/11 | −5 |
| Unscheduled surgical | 8/9 | −1 |
Abbreviations: ELOISE European Mortality & Length of Intensive Care Unit Stay Evaluation study, FiO 2 Fractional inspired oxygen, PaO 2 Partial pressure of arterial oxygen, SAPS Simplified Acute Physiology Score, SBP Systolic blood pressure, WBC White blood cell
a Points proposed in the original SAPS II score and the points derived from the association between the items of the SAPS II score and the mortality reassessed with data from the ELOISE study