APACHE II Score Calculator

≥41 (+4) +4 39–40.9 (+3) +3 38.5–38.9 (+1) +1 36–38.4 (+0) 0 34–35.9 (+1) +1 32–33.9 (+2) +2 30–31.9 (+3) +3 <29.9 (+4) +4

≥160 (+4) +4 130–159 (+3) +3 110–129 (+2) +2 70–109 (+0) 0 50–69 (+2) +2 <50 (+4) +4

≥180 (+4) +4 140–179 (+3) +3 130–139 (+2) +2 70–129 (+0) 0 55–69 (+2) +2 40–54 (+3) +3 <40 (+4) +4

≥50 (+4) +4 35–49 (+3) +3 25–34 (+1) +1 12–24 (+0) 0 10–11 (+1) +1 6–9 (+2) +2 <6 (+4) +4

Normal / no points (+0) 0 Mild abnormality / 1 point (+1) +1 Moderate abnormality / 3 points (+3) +3 Severe abnormality / 4 points (+4) +4

≥7.70 (+4) +4 7.60–7.69 (+3) +3 7.50–7.59 (+1) +1 7.33–7.49 (+0) 0 7.25–7.32 (+2) +2 7.15–7.24 (+3) +3 <7.15 (+4) +4

≥180 (+4) +4 160–179 (+3) +3 155–159 (+1) +1 130–154 (+0) 0 120–129 (+2) +2 111–119 (+3) +3 ≤110 (+4) +4

≥7.0 (+4) +4 6.0–6.9 (+3) +3 5.5–5.9 (+1) +1 3.5–5.4 (+0) 0 3.0–3.4 (+1) +1 2.5–2.9 (+2) +2 <2.5 (+4) +4

≥3.5 mg/dL (≥309 µmol/L) (+4) +4 2.0–3.4 mg/dL (177–308 µmol/L) (+3) +3 1.5–1.9 mg/dL (133–176 µmol/L) (+2) +2 0.6–1.4 mg/dL (53–132 µmol/L) (+0) 0 <0.6 mg/dL (<53 µmol/L) (+2) +2

No 0 Yes +1

≥60 (+4) +4 50–59.9 (+2) +2 46–49.9 (+1) +1 30–45.9 (+0) 0 20–29.9 (+2) +2 <20 (+4) +4

≥40 (+4) +4 15–39.9 (+1) +1 3–14.9 (+0) 0 1–2.9 (+2) +2 <1 (+4) +4

≤44 years (+0) 0 45–54 years (+2) +2 55–64 years (+3) +3 65–74 years (+5) +5 ≥75 years (+6) +6

None (+0) 0 Elective postoperative with severe organ insufficiency or immunocompromise (+2) +2 Nonoperative or emergency postoperative with severe organ insufficiency or immunocompromise (+5) +5