Table 4. Comparison of percutaneous drainage and surgical incision and drainage in giant abscess.

Variables	Percutaneous drainage (n = 14)	Surgical incision and drainage (n = 17)	P value
Age (years)	58 (28–78)	59 (13–77)	0.959
Multiple abscess (≥2)	4 (28.6%)	3 (17.6%)	0.469
Abscess cavity seperation	6 (42.9%)	9 (52.9%)	0.576
Leucocytes >10 × 109/L	10(71.4%)	10(58.8%)	0.707
Hemoglobin <120 g/L	11(78.6%)	12(70.6%)	0.698
Platelet count <100 × 109/L	2(14.3%)	2(11.8%)	1.000
Alanine transaminase >40 U/L	5(35.7%)	8(47.1%)	0.484
Aspartate transaminase >40 U/L	6(42.9%)	9(52.9%)	0.715
Total bilirubin >17 μmol/L	8(57.1%)	8(47.1%)	0.730
Albumin <35 g/L	13 (92.9%)	15 (88.2%)	1.000
Complications	5 (35.7%)	13 (76.4%)	0.022
Bile leakage	0	3 (17.6%)	0.098
Intraperitoneal bleeding	1 (7.1%)	4 (23.5%)	0.217
Pulmonary infection	1 (7.1%)	2 (11.8%)	0.665
Pleural effusion with drainage	3 (21.4%)	7 (41.2%)	0.242
Re–treatments	3 (21.4%)	0	0.045
Hospital stay (days)	12 (4–36)	29 (14–61)	0.024
Cured	14 (100%)	17 (100%)	1.000