Table 1: Classic signs and symptoms reported in the literature in cases of acute appendicitis in children under three years of age.

Signs and symptoms

Neonates

(%)

Infants

< 2 years

(%)

From

2 to 3 years

(%)

Abdominal distention

60-90

30-52

85-90

Vomiting

59

85-90

—

Palpable mass

20-40

—

—

Irritation/lethargy

22

35/40

—

Cellulitis in the abdominal wall

12-16

—

—

Hypotension

√

—

—

Hypothermia

√

—

—

Rgidity of the ight hip

√

—

—

Breathing difficulty

√

—

35-81

Diffuse abdominal pain

—

35-77

40-60

Fever

—

40-60

18-46

Diarrhoea

—

18-46

—

Hypersensitivity

—

92

—

Pain localized to

the right iliac fossa

—

< 50

—

(√) = may be present; (-) = absent.