Table 1.
Baseline characteristics of the study patients (N = 239).
| Characteristic | Value |
|---|---|
| Age (years), mean ± SD | 56.6 ± 14.6 |
| Hospitalization days (day), mean ± SD | 26.3 ± 24.5 |
| Abscess size (mm), mean ± SD | 66.1 ± 31.2 |
| Sex (male), n (%) | 168 (70.3) |
| Antibacterial drug use within 6 months before onset, n (%) | 52 (21.8) |
| Hospitalization within 6 months before onset, n (%) | 78 (32.6) |
| Origin, n (%) | |
| Cryptogenic | 108 (45.2) |
| Direct dissemination | 47 (19.7) |
| Biliary origin | 71 (29.7) |
| Hematogenous dissemination | 13 (5.4) |
| Comorbidities, n (%) | |
| Diabetes | 83 (34.7) |
| Hypertension | 74 (31.0) |
| Cirrhosis/hepatic failure | 25 (10.5) |
| Malignant tumour | 57 (23.8) |
| Cardiovascular disease | 9 (3.8) |
| Chronic renal insufficiency | 4 (1.7) |
| Cerebrovascular disease | 11 (4.6) |
| Abscess location, n (%) | |
| Right lobe | 160 (66.9) |
| Left lobe | 40 (16.7) |
| Bilateral | 39 (16.3) |
| Number of abscesses, n (%) | |
| Single | 164 (68.6) |
| Two or more | 75 (31.4) |
| Pathogen Quantity, n (%) | |
| Single species | 204 (85.4) |
| Two species | 30 (12.6) |
| Three species | 5 (2.1) |
| Treatment, n (%) | |
| Antimicrobial agents alone | 74 (31.0) |
| Antimicrobial agents and drainage | 144 (60.2) |
| Antimicrobial agents and surgery | 21 (8.8) |