Table 1.
Baseline patient and pancreatic fluid collection characteristics
| Age (years) | Mean (SD) | 53.6 (14.2) |
| Median (IQR) | 55 (43.5–64.5) | |
| Gender: n (%) | Female | 59 (31.4) |
| Male | 129 (68.6) | |
| Race: n (%) | Black | 17 (9.0) |
| White | 152 (80.9) | |
| Other | 19 (10.1) | |
| Cause of pancreatitis: n (%) | Gallstones | 39 (20.7) |
| Alcohol | 75 (39.9) | |
| Idiopathic | 53 (28.2) | |
| Other* | 21 (11.2) | |
| Coexisting conditions: n (%) | Cardiovascular disease | 23 (12.2) |
| Pulmonary disease | 17 (9.0) | |
| Renal disease | 13 (6.9) | |
| Diabetes mellitus | 49 (26.1) | |
| ASA class: n (%) | I | 13 (6.9) |
| II | 88 (46.8) | |
| III | 78 (41.5) | |
| IV | 9 (4.8) | |
| CT severity index: n (%) | 0–2 | 32 (17.0) |
| 4–6 | 58 (30.9) | |
| 8–10 | 98 (52.1) | |
| Type of pancreatic fluid collection: n (%) | Pseudocyst | 59 (31.4) |
| Acute necrotic collection | 18 (9.6) | |
| Walled-off necrosis | 111 (59.0) | |
| Size of necrotic collection-AP axis (cm) | Mean (SD) | 8.5 (3.7) |
| Median (IQR) | 7.8 (5.9–10) | |
| Size of necrotic collection-transverse axis (cm) | Mean (SD) | 11.0 (5.0) |
| Median (IQR) | 10 (7–14) | |
| Percentage of necrosis: (%) | Mean (SD) | 31.4 (22.6) |
| Median (IQR) | 30 (10–50) | |
| Collection extending to lower abdomen/pelvis: n (%) | 36 (19.1) | |
| Disease severity: n (%) | SIRS | 67 (35.6) |
| ICU/high acuity care | 73 (38.8) | |
| Nutritional support: n (%) | Enteral feeding | 38 (20.2) |
| Parenteral feeding | 9 (4.8) | |
| Oral diet | 136 (72.3) | |
| Nil per os | 5 (2.7) | |
| Percutaneous catheter in situ prior to intervention: n (%) | 9 (4.8) | |
*Other causes of PFC: Hypertriglyceridemia (n=8), malignancy (n=2), post-ERCP (n=2), post-trauma (n=9)
AP, anteroposterior; ASA, American Society of Anesthesiologists; ICU, intensive care unit; SIRS, systemic inflammatory response syndrome.