Table 2. Characteristics of Patients Seen in the Emergency Department With Suspected AP.
| Characteristic | Values (N = 349)a |
|---|---|
| Age, y | |
| Mean (SD) | 53.0 (18.8) |
| Median (IQR) | 52 (37-68) |
| Sex | |
| Male | 165 (47.3) |
| Female | 184 (52.7) |
| Race and ethnicity | |
| Asian | 19 (5.4) |
| Black | 66 (18.9) |
| Hispanic | 17 (4.9) |
| White | 199 (57.0) |
| Otherb | 38 (10.9) |
| Declined or unavailable | 10 (2.9) |
| Total AP | 157 (45.0) |
| Model parameters | |
| Serum lipase level | |
| ≥3 to <10 times the ULN | 181 (51.9) |
| ≥10 to <20 times the ULN | 39 (11.2) |
| ≥20 times the ULN | 129 (37.0) |
| Epigastric pain | 170 (48.7) |
| Worsening severity | 54 (15.5) |
| Time to presentation, d | |
| Mean (SD) | 3.6 (7.7) |
| Median (IQR) | 1 (0-3) |
| Pain severity (of 10) | |
| Mild (0-3) | 115 (33.0) |
| Moderate (4-6) | 53 (15.2) |
| Severe (7-10) | 181 (51.9) |
| No. of prior AP episodes | |
| Mean (SD) | 0.5 (1.0) |
| Median (IQR) | 0 (0-1) |
| History of cholelithiasis | 80 (22.9) |
| Abdominal surgery in prior 2 mo | 27 (7.7) |
Abbreviations: AP, acute pancreatitis; ULN, upper limit of normal (reference range).
a
Unless otherwise indicated, data are expressed as No. (%) of patients. Percentages have been rounded and may not total 100.
b
Includes all other responses not included in the categories above.