Table 1.
Demographics of Study Subjects
| Uncomplicated Appendicitis | P | Complicated Appendicitis | P | |||
|---|---|---|---|---|---|---|
| Pre-SP (n = 224) | Post-SP (n = 188) | Pre-SP (n = 119) | Post-SP (n = 109) | |||
| Age,* y | 11.4 (8.8–15.1) | 12.1 (9.7–15.4) | 0.124 | 10.4 (7.5–14.0) | 10.4 (8.0–14.2) | 0.521 |
| Admission WBC* | 13.7 (9.8–16.9) | 13.9 (10.3–16.8) | 0.610 | 16.4 (13.5–19.4) | 15.1 (12.1–19.8) | 0.284 |
| Male sex, % | 56.7 | 62.8 | 0.211 | 58.0 | 63.3 | 0.412 |
| Race, % | ||||||
| White | 22.8 | 20.2 | 20.2 | 20.2 | ||
| Black | 9.8 | 15.4 | 15.1 | 14.7 | ||
| Asian | 1.8 | 2.7 | 0.462 | 1.7 | 1.8 | 0.837 |
| Other† | 58.0 | 55.3 | 54.6 | 58.7 | ||
| Unknown | 7.6 | 6.4 | 8.4 | 4.6 | ||
| Preoperative imaging, % | ||||||
| Ultrasound | 51.8 | 78.7 | <0.001 | 46.2 | 72.5 | <0.001 |
| CT scan | 73.2 | 61.2 | 0.009 | 74.8 | 65.1 | 0.112 |
| Fecalith present, % | 22.3 | 28.7 | 0.136 | 48.7 | 56.0 | 0.275 |
| Operative diagnosis, % | ||||||
| Acute | 97.8 | 97.3 | 0.0 | 0.0 | ||
| Suppurative | 0.0 | 0.0 | 22.7 | 15.6 | ||
| Gangrenous | 0.0 | 0.0 | 0.512 | 12.6 | 19.3 | 0.214 |
| Perforated | 0.0 | 0.0 | 64.7 | 65.1 | ||
| Normal appendix | 2.2 | 2.7 | 0.0 | 0.0 | ||
*Values reported as medians with interquartile ranges.
†Includes mixed race patients and Latino patients not identifying as white.