Table 1.
Patient demographics and pre-operative investigations
| Age – median (range): | 74 years (14–93 years) |
| Gender (male/female): | 1.5:1 |
| ASA grade – number of patients (%): | |
| Grade I | 1 (1.9%)) |
| Grade II | 3 (5.7%) |
| Grade III | 18 (33.9%) |
| Grade IV | 31 (58.5%) |
| Median duration symptoms(range): | 1 (1–35) day(s) |
| Median duration from admission to PC (range): 3 (1–15) day(s) | |
| Laboratory investigations – median (range): | |
| WCC | 14.33 (3.3−27.2) × 109/l |
| CRP | 188.35 (5–489) mg/l |
| Bilirubin | 20.35 (3–75 mg/dl |
| ALP | 180.07 (53–1160) u/l |
| ALT | 52.22 (7–402) u/l |
| Radiological investigations – number of patients (%) | |
| Ultrasonography (US) | 18 (33.9%) |
| CT scan | 15 (28.3%) |
| US+CT scan | 20 (37.7%) |
| PC technique | |
| Transhepatic: | 38 (71.6%) |
| Transabdominal: | 15 (28.4%) |
| Imaging modality for PC | |
| Ultrasound guided PC | 43 (82%) |
| CT guided PC | 10 (18%) |
| Microbiology | |
| Sterile | 19 (35.8%) |
| Escherichia coli | 18 |
| Klebsiella pneumoniae | 7 |
| Mixed growth | 5 |
| Enterococcus | 3 |
| Streptococcus milleri | 1 |
PC, percutaneous cholecystostomy; ASA, American Society of Anesthesiologists; WCC, white cell count; CRP, C-reactive protein; ALP, alkaline phosphatase ALT, alanine aminotransferase.