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Table 4 Alvarado score

From: WSES/GAIS/SIS-E/WSIS/AAST global clinical pathways for patients with intra-abdominal infections

Diagnostic criteria

Value

Pain migration to RLQ

1

Anorexia

1

Nausea–vomiting

1

Tenderness in RLQ

2

Cough/percussion tenderness

2

Elevated temperature ≥  37.3 °C

1

Leucocytosis (> 10 × 103/L)

2

Leucocyte left shift (> 75%)

1

Total score

10

  1. A score 0–4 indicates low probability of acute appendicitis
  2. A score > 5 indicates probable appendicitis
  3. A score > 8 indicates very probable appendicitis