Table 4.
Radiological features of patients with liver abscess (%)
| Characteristics | Aspiration group (n = 426) | Non aspiration group (n = 540) | Odds ratio | 95% CI | P value |
| No. of abscess | |||||
| Single abscess | 303 (71.1) | 434 (80.4) | 1.00 | ||
| Multiple abscesses | 123 (28.9)a | 106 (19.6) | 1.66 | 1.23-2.24 | 0.001 |
| Site of lobe involvement | |||||
| Right lobe | 301 (70.7) | 415 (76.9) | 0.97 | 0.67-1.40 | |
| Left lobe | 59 (13.8) | 79 (14.6) | 1.00 | - | 0.010 |
| Both lobes | 66 (15.5)a | 46 (8.4) | 1.92 | 1.15-3.18 | |
| Presence of gallstones | |||||
| Yes | 8 (1.9)a | 11 (2.0) | 0.92 | ||
| No | 418 (98.1) | 529 (98.0) | 1.00 | 0.36-2.30 | 0.860 |
| Chest radiograph | |||||
| Normal | 235 (55.2) | 334 (61.9) | 1.00 | ||
| Abnormal1 | 191 (44.8)a | 206 (38.1) | 1.31 | 1.01-1.70 | 0.030 |
| Size of abscess | |||||
| ≤ 5 cm | 121 (28.4) | 209 (38.7) | 1.00 | ||
| > 5 cm | 305 (71.6)a | 331 (61.3) | 1.59 | 1.21-2.09 | 0.001 |
1
Raised right hemi diaphragm, pleural effusion, and right lung base atelactasis. Variable compared to reference category (OR = 1),
a
P < 0.05.