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 |