Table 1 Alvarado score, Pediatric appendicitis score and Lintula score

Migration to right lower quadrant

1

Migration of pain

1

Male

2

Anorexia - acetone

1

Anorexia

1

Intensity of pain = severe

2

Nausea - vomiting

1

Nausea/emesis

1

Relocation of pain

4

Tenderness in the right lower quadrant

2

Tenderness over the right iliac fossa

2

Vomiting

2

Rebound pain

1

Cough/percussion/hopping tenderness in the right lower quadrant

2

Pain in right lower quadrant

4

Elevation of temperature > 37.3

1

Pyrexia

1

Fever >37.5

3

Leukocytosis >10.0 × 10 ⁹ /L

2

Leukocytosis > 10.0 × 10 ⁹ /L

1

Guarding

4

Shift to the left >75 %

1

Polymorphonuclear neutrophilia

1

Absent, tinkling or high-pitched bowel sounds

4

Rebound tenderness

7

Total

Score interpretation

Non-appendicitis

<5

Non-appendicitis

≤5

Low probability of appendicitis – amenable to discharge

≤15

Compatible with appendicitis – may be observed

5–6

High probability of appendicitis

≥6

Intermediate probability of appendicitis – further observation

16–20

Probable appendicitis – requires surgery

7–8

High probability of appendicitis – emergency surgery

≥21

Very probable appendicitis – requires surgery

9–10