Table 1 Demographic and baseline characteristics of patients

Sex: male (%)

2329 (59.7)

Age, year (mean (sd))

51.70 (17.19)

Age, years (median [IQR])

51.00 [39.00, 65.00]

Age (%)

 [0,18]

61 (1.6)

 [18,65]

2854 (73.2)

 [65,80]

775 (19.9)

 [Above 80]

210 (5.4)

Smoking history (%)

 0

2795 (71.7)

 1

987 (25.3)

 Unknown

118 (3.0)

Drinking history (%)

 0

2804 (71.9)

 1

988 (25.3)

 Unknown

108 (2.8)

Medical history (%)

 History of pancreatitis

544 (13.9)

History of diabetes

 0

3140 (80.5)

 1

501 (12.8)

 Unknown

259 (6.6)

Comorbidity (%)

 With hyperlipidemia

587 (15.1)

 With cholelithiasis

1229 (31.5)

Etiology (%)

 Biliary

1861 (47.7)

 Hyperlipidemia

227 (5.8)

 High-fat diet

120 (3.1)

 Alcoholic

108 (2.8)

 Duration of the disease, days (mean (sd))

6.77 (27.30)

 Days of illness, days (median [IQR])

2.00 [1.00, 5.00]

Critical condition (%)

 Admitted to the hospital

559 (14.3)

 Discharge of critical illness

944 (24.2)

 Charlson Index (mean (sd))

2.63 (2.08)

 Charlson Index (median [IQR])

2.00 [1.00, 4.00]

Standardized medication (%)

 Standard medication

3049 (78.2)

 Unregulated medication

327 (8.4)

 Unused

524 (13.4)

Medical treatment (%)

 Somatostatin

1600 (41.0)

 Octreotide

892 (22.9)

 Somatostatin octreotide

884 (22.7)

 Unused

524 (13.4)

 Special treatment (%)

927 (23.8)

 Mechanical ventilation (%)

159 (4.1)

 CRRT (%)

218 (5.6)

 Local puncture drainage (%)

144 (3.7)

 Laparoscopy / laparotomy (%)

356 (9.1)

 ERCP (%)

268 (6.9)

 Length of hospital stay, days (mean (sd))

13.97 (10.67)

 Length of hospital stay, days (median [IQR])

11.00 [8.00, 17.00]

 Complications at discharge (%)

351 (9.0)

 Organ failure (%)

187 (4.8)

 All-cause Death (%)

49 (1.3)

 Enter ICU (%)

375 (9.6)