Table 1.
Demographic Characteristics of Study Population
| All | ||
|---|---|---|
| Number of Children (%) | 4038 | |
| Mean Age (SD) | 11.3 (4.0) | |
| Age Group (%) | ||
| Age ≤5 | 331 (9.2) | |
| 5<Age≤10 | 1194 (29.6) | |
| 10<Age≤18 | 2513 (62.2) | |
| Sex (%) | ||
| Male | 2396 (59.4) | |
| Female | 1639 (40.6) | |
| Insurance (%) | ||
| Private | 2305 (58.0) | |
| Medicaid | 1360 (34.2) | |
| Uninsured/Self-Insured | 128 (3.2) | |
| Medicare/Tricare/Indian Health Service/VA | 183 (4.6) | |
| BMI Group | ||
| Normal | 1398 (61.4) | |
| Overweight | 419 (18.4) | |
| Obese | 459 (20.2) | |
| Race, % | ||
| White | 2571 (67.4) | |
| Black or African American | 103 (2.7) | |
| Asian | 150 (3.9) | |
| American Indian/Alaska Native | 67 (1.8) | |
| Native Hawaiian or Other Pacific Islander | 25 (0.66) | |
| Unknown/NA | 898 (23.5) | |
| Ethnicity (%) | ||
| Hispanic or Latino | 930 (24.3) | |
| Not Hispanic or Latino | 2160 (56.5) | |
| NA | 736 (19.2) | |
| Hospital Type | ||
| General | 1938 (50.0) | |
| Pediatric Unit in General | 552 (14.3) | |
| Free-Standing Pediatric | 1384 (35.7) | |
| Transfer from Another Hospital (%) | 770 (19.2) | |
| Perforation Rate (%) | 927 (23.0) | |
| Negative Appendectomy (%) | 168 (4.2) | |