| Temperature (°C) |
≥41 → 4 • 39–40.9 → 3 • 38.5–38.9 → 1 • 36–38.4 → 0 • 34–35.9 → 1 • 32–33.9 → 2 • 30–31.9 → 3 • <30 → 4
|
| MAP (mmHg) |
≥160 → 4 • 130–159 → 3 • 110–129 → 2 • 70–109 → 0 • 50–69 → 2 • <50 → 4
|
| Heart Rate (bpm) |
≥180 → 4 • 140–179 → 3 • 110–139 → 2 • 70–109 → 0 • 55–69 → 2 • 40–54 → 3 • <40 → 4
|
| Respiratory Rate (/min) |
≥50 → 4 • 35–49 → 3 • 25–34 → 1 • 12–24 → 0 • 10–11 → 1 • 6–9 → 2 • <6 → 4
|
| Oxygenation |
If FiO₂ ≥ 50%: A–a ≥500 → 4 • 350–499 → 3 • 200–349 → 2 • <200 → 0
If FiO₂ < 50%: PaO₂ >70 → 0 • 61–70 → 1 • 55–60 → 3 • <55 → 4
|
| pH |
≥7.70 → 4 • 7.60–7.69 → 3 • 7.50–7.59 → 1 • 7.33–7.49 → 0 • 7.25–7.32 → 2 • 7.15–7.24 → 3 • <7.15 → 4
|
| HCO₃⁻ (mEq/L) (used only if pH missing) |
≥52 → 4 • 41–51.9 → 3 • 32–40.9 → 1 • 22–31.9 → 0 • 18–21.9 → 2 • 15–17.9 → 3 • <15 → 4
|
| Na⁺ (mEq/L) |
≥180 → 4 • 160–179 → 3 • 155–159 → 2 • 150–154 → 1 • 130–149 → 0 • 120–129 → 2 • 111–119 → 3 • <111 → 4
|
| K⁺ (mEq/L) |
≥7.0 → 4 • 6.0–6.9 → 3 • 5.5–5.9 → 1 • 3.5–5.4 → 0 • 3.0–3.4 → 1 • 2.5–2.9 → 2 • <2.5 → 4
|
| Creatinine (mg/dL) |
≥3.5 → 4 • 2.0–3.4 → 3 • 1.5–1.9 → 2 • 0.6–1.4 → 0 • <0.6 → 2
Acute renal failure = Yes → points are doubled
|
| Hematocrit (%) |
≥60 → 4 • 50–59.9 → 2 • 46–49.9 → 1 • 30–45.9 → 0 • 20–29.9 → 2 • <20 → 4
|
| WBC (×10³/mm³) |
≥40 → 4 • 20–39.9 → 2 • 15–19.9 → 1 • 3–14.9 → 0 • 1–2.9 → 2 • <1 → 4
|
| GCS | Points = 15 − GCS |
| Age points |
≤44 → 0 • 45–54 → 2 • 55–64 → 3 • 65–74 → 5 • ≥75 → 6
|
| Chronic health points |
If chronic = No → 0
If chronic = Yes and surgery = Elective → 2
If chronic = Yes and surgery = Emergency / Non-operative → 5
|
| Mortality bands (display) |
0–4 → 4% / 1% • 5–9 → 8% / 3% • 10–14 → 15% / 7% • 15–19 → 25% / 12% •
20–24 → 40% / 30% • 25–29 → 55% / 35% • 30–34 → 73% / 73% • ≥35 → 85% / 88%
|