Table 1 The baseline data, laboratory findings, abscess characteristics, and microbiological characteristics between the groups
Antibiotics(n = 52) | PNA(n = 42) | P value | |
|---|---|---|---|
Age, mean ± SD (years) | 65.5 ± 12.2 | 62.7 ± 14.6 | 0.314 |
Gender, male (%) | 32(61.5%) | 21(50.0%) | 0.265 |
Coexisting diseases, n (%) | |||
Diabetes mellitus | 26(50.0%) | 27(64.3%) | 0.165 |
Hepatobiliary benign disease | 15(28.8%) | 9(21.4%) | 0.412 |
Hepatobiliary malignant disease | 1(1.9%) | 1(2.4%) | 0.878 |
Abdominal surgery history | 9(17.3%) | 11(26.2%) | 0.295 |
Symptoms at presentation, n (%) | |||
Fever | 50(96.2%) | 38(90.5%) | 0.263 |
Abdominal pain | 12(23.1%) | 8(19.0%) | 0.635 |
Weakness | 16(30.8%) | 9(21.4%) | 0.308 |
Nausea/vomiting | 17(31.5%) | 7(16.7%) | 0.076 |
Laboratory findings | |||
WBC (× 109/L) | 9.0 ± 4.3 | 10.0 ± 3.1 | 0.183 |
PLT (×109/L) | 155.0(100.8–256.5) | 197.5(114.0–303.5) | 0.170 |
CRP (mg/L) | 103.0(30.1–160.0) | 116.8(75.4–175.8) | 0.023 |
PCT (ng/ml) | 2.2(0.3–7.8) | 0.8(0.2–14.9) | 0.427 |
GLU (mmol/L) | 8.1 ± 2.5 | 9.5 ± 5.1 | 0.205 |
HbA1c (%) | 7.6 ± 1.8 | 7.9 ± 2.5 | 0.350 |
APACHE II score on admission | 4.8 ± 2.0 | 5.5 ± 3.1 | 0.161 |
SOFA score on admission | 1.1 ± 1.3 | 1.0 ± 1.3 | 0.560 |
Abscess size(mm) | 40.8 ± 13.2 | 44.7 ± 9.4 | 0.112 |
Abscess number, n (%) | 0.036 | ||
Single abscess | 40(76.9%) | 39(92.9%) | |
Multiple abscess | 12(23.1%) | 3(7.1%) | |
Abscess location, n (%) | 0.893 | ||
Right lobe | 43(82.7%) | 36(85.7%) | |
Left lobe | 7(13.5%) | 5(11.9%) | |
Both lobes | 2(3.9%) | 1(2.4%) | |