Investigations

Pyogenic abscess

(n = 47)

Amoebic abscess

(n = 21)

P-value

No. of patients (%)

No. of patients (%)

High total leukocyte count

47 (100)

18 (85.7)

0.008

High ESR

47 (100)

18 (85.7)

0.008

Positive blood culture

32 (68)

E. coli: 20 (42.5);

S. milleri: 12 (25.5)

0 (0)

<0.001

Positive indirect hemagglutination test

0 (0)

21 (100)

<0.001

High bilirubin

30 (63.8)

2 (9.5)

0.007

High Alanine aminotransferase (ALT)

47 (100)

21 (100)

1.000

High Aspartate aminotransferase (AST)

47 (100)

21 (100)

1.000

High Prothrombin time

30 (63.8)

2 (9.5)

<0.001

Ultrasound showed hepatomegaly and abscess

47 (100)

21 (100)

1.000

Chest X-rayRt sided pleural effusion

5 (10.6)

0 (0)

0.100