Table 2 Imaging procedures of patients aged <65 years and ≥65 years with liver abscess
Total | Aged <65 years | Aged ≥65 years | Odds ratio (CI 95%) | p-value | ||||
|---|---|---|---|---|---|---|---|---|
N | % | N | % | N | % | |||
Diagnostic imaging procedure | ||||||||
CT scan | 83 | 84.7 | 38 | 95.0 | 45 | 77.6 | 0.2 (0.04, 0.8) | 0.02 |
Ultrasound | 80 | 81.6 | 30 | 75.0 | 50 | 86.2 | 2.1 (0.7, 5.8) | 0.2 |
MRI | 29 | 29.6 | 14 | 35.0 | 15 | 25.9 | 0.6 (0.3, 1.6) | 0.3 |
Single or multiple | ||||||||
Single | 54 | 55.1 | 34 | 58.6 | 20 | 50.0 | 1 | 0.4 |
Multiple | 44 | 44.9 | 20 | 45.5 | 24 | 41.4 | 0.7 (0.3, 1.6) | |
Size category | ||||||||
< 4 cm | 46 | 46.9 | 15 | 37.5 | 31 | 53.4 | 1.9 (0.8, 4.3) | <0.15 |
4–9.9 cm | 42 | 42.9 | 20 | 50.0 | 22 | 37.9 | 0.6 (0.7, 1.4) | 0.235 |
≥ 10 cm | 10 | 10.2 | 5 | 12.5 | 5 | 8.6 | 0.6 (0.2, 2.4) | 0.736 |
mean | SD | mean | SD | mean | SD | |||
Side diameter (cm) | 4.8 | 3.3 | 5.6 | 3.6 | 4.2 | 3.0 | 0.9 (0.8, 0.99) | 0.04 |
Other imaging findings | ||||||||
Gallstones | 28 | 28.6 | 5 | 12.5 | 23 | 39.7 | 4.6 (1.6, 13.5) | 0.003 |
Gas formation | 6 | 6.1 | 2 | 5.0 | 4 | 6.9 | 1.4 (0.2, 8.0) | 0.7 |
Hepatocarcinoma | 4 | 4.1 | 1 | 2.5 | 3 | 5.2 | 3.2 (0.5, 6.0) | 0.9 |
Neoplasm of pancreas | 3 | 3.1 | 0 | 0 | 3 | 3.1 | NA | 1 |
Neoplasm of kidney | 2 | 2.0 | 0 | 0 | 2 | 3.2 | NA | 1 |
Cholangiocarcinoma | 1 | 1.0 | 0 | 0 | 1 | 1.7 | NA | 1 |
Hepatic metastasis | 1 | 1.0 | 1 | 2.5 | 0 | 0 | NA | 1 |