Characteristics of all enrolled children
| Variables | Results |
| Sex (male)* | 44 (45.8) |
| Age (y)† | 7.8±4.2 |
| Etiologies* | |
| Idiopathic | 56 (58.3) |
| Choledochal cyst/choledochectasia | 24 (25.0) |
| Biliary calculi | 8 (8.3) |
| Postabdominal surgery | 3 (3.1) |
| Pancreaticobiliary maljunction | 2 (2.1) |
| Hyperlipidemia | 2 (2.1) |
| Systemic lupus erythematosus | 1 (1.1) |
| Symptoms* | |
| Abdominal pain | 94 (97.9) |
| Vomiting | 58 (60.4) |
| Fever | 15 (15.6) |
| Jaundice | 8 (8.3) |
| Diarrhea | 2 (2.1) |
| Constipation | 1 (1.0) |
| Onset time (h)‡ | 24.0 (12.0–72.0) |
| Severity* | |
| MAP | 90 (93.7) |
| MSAP | 2 (2.1) |
| SAP | 4 (4.2) |
| Hospitalization time (d)† | 11.9±5.0 |
| Serum amylase and/or lipase ≥3 times the upper limit* | 84 (87.5) |
| Imaging showing evidence of pancreatitis* | 76 (79.2) |
| Serum amylase (U/L)‡ | 362.5 (158.5–781.0) |
| Serum lipase (U/L)‡ | 771.0 (232.2–1490.8) |
| WCC (×109/L)† | 11.8±5.1 |
| CRP (mg/L)‡ | 2.4 (1.0–11.6) |
| Fasting time (d)† | 7.6±3.2 |
| SIRS* | 15 (15.6) |
| Abnormal amylase/lipase on the fourth day of hospitalization* | 49 (51.0) |
| Abnormal amylase/lipase on the seventh day of hospitalization* | 19 (19.8) |
*Classification variables were presented as counts (%).
†Continuous variables (normally distributed) were presented as mean±SD.
‡Continuous variables (non-normally distributed) were presented as median (IQR).
CRP, C reactive protein; IQR, interquartile range; MAP, mild acute pancreatitis; MSAP, moderately severe acute pancreatitis; SAP, severe acute pancreatitis; SD, standard deviation; SIRS, systemic inflammatory response syndrome; WCC, white cell count.