Table 1.

Baseline characteristics and severity outcomes of study patients (n = 200).

Patient characteristics
Age, mean ± SD (range), years	54.3 ± 17.5 (22–87)
Sex, male (%)	119 (59.5%)
Etiology
Gallstone-related	72 (36.0%)
Alcohol abuse	67 (33.5%)
Idiopathic	39 (19.5%)
Other	22 (11.0%)
Severity outcome
Revised Atlanta classification
Mild	110 (55.0%)
Moderately severe	73 (36.5%)
Severe	17 (8.5%)
Peripancreatic fluid collection	68 (34.0%)
Pancreatic pseudocyst	57 (28.5%)
Acute necrotic collection	28 (14.0%)
Walled-off necrosis	14 (7.0%)
Systemic complications	14 (7.0%)
Persistent organ failure	17 (8.5%)
Mortality	3 (1.5%)
Duration of hospitalization, median (IQR), days	7 (5–11)

IQR: interquartile range.