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Table 6 Adult Appendicitis Score (AAS)

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

Symptoms and findings

Score

Pain in RLQ

2

Pain relocation

2

RLQ tenderness

 Women, age 16–49

1

 All other patients

3

Guarding

 Mild

2

 Moderate or severe

4

Laboratory tests

 Blood leukocyte count (× 109)

  ≥ 7.2 and < 10.9

1

  ≥ 10.9 and < 14.0

2

  ≥ 14.0

3

Proportion of neutrophils (%)

 ≥ 62 and < 75

2

 ≥ 75 and < 83

3

 ≥ 83

4

CRP (mg/l), symptoms < 24 h

 ≥ 4 and < 11

2

 ≥ 11and < 25

3

 ≥ 25 and < 83

5

 ≥ 83

1

CRP (mg/l), symptoms > 24 h

 ≥ 12 and < 53

2

 ≥ 53 and < 152

2

 ≥ 152

1

  1. RLQ the right lower abdominal quadrant
  2. Score ≤ 10 low risk of appendicitis
  3. Score 11–15 intermediate risk of appendicitis
  4. Score ≥ 16 high risk of appendicitis
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World Journal of Emergency Surgery

ISSN: 1749-7922