Table 1.
Patient demographics and clinical details.
| All (n = 6014) | Pre-COVID (n = 3601) 59.9% | COVID (n = 2413) 40.1% | P-value | |
|---|---|---|---|---|
| Age | ||||
| Age (years) | 11.3 (8.4, 14.2) | 11.2 (8.3, 14.1) | 11.5 (8.7, 14.5) | 0.002 |
| Weight | ||||
| Weight (kg) | 44 (30, 60) | 43.5 (29.5, 59.2) | 45 (30.3, 61.1) | 0.003 |
| Gender | ||||
| Male | 3650 (60.7%) | 2196 (61.0%) | 1454 (60.3%) | 0.57 |
| Female | 2364 (39.3%) | 1405 (39.0%) | 959 (39.7%) | |
| Ethnicity | ||||
| Hispanic | 1527 (25.4%) | 881 (24.5%) | 646 (26.8%) | 0.022 |
| White | 3035 (50.5%) | 1800 (50.0%) | 1235 (51.2%) | |
| Black | 638 (10.6%) | 412 (11.4%) | 226 (9.4%) | |
| Asian | 177 (2.9%) | 111 (3.1%) | 66 (2.7%) | |
| Other | 637 (10.6%) | 397 (11.0%) | 240 (9.9%) | |
| Length of Stay (LOS) | ||||
| LOS (days) | 1.2 (0.7, 3.2) | 1.2 (0.7, 3.2) | 1.2 (0.7, 3.2) | 0.29 |
| Operative LOS | 1.2 (0.7, 3.0) | 1.1 (0.7, 3.0) | 0.37 | |
| Non-Operative LOS | 4.5 (2.5, 6.9) | 2.7 (1.2, 5.4) | <0.001 | |
| COVID status | ||||
| COVID positive | 93 (1.5%) | 0 (0%) | 93 (3.9%) | <0.001 |
| Symptom Duration | ||||
| Symptom Duration (hours) | 24 (24,48) | 24 (24, 48) | 24 (24, 48) | 0.42 |
| PAS Score | ||||
| PAS Score | 6 (5,8) | 6 (5,8) | 6 (5,8) | 0.027 |
| Admission WBC | ||||
| WBC | 15 (11.8, 18.2) | 15 (11.7, 18.2) | 15 (12, 18.2) | 0.42 |
| First Line Imaging (n = 6000, 99.8%) | ||||
| US | 4055 (67.6%) | 2401 (66.9%) | 1654 (68.6%) | 0.045 |
| CT | 1650 (27.5%) | 1002 (27.9%) | 648 (26.9%) | |
| MRI | 81 (1.4%) | 60 (1.7%) | 21 (0.9%) | |
| Other | 214 (3.6%) | 127 (3.5%) | 87 (3.6%) | |
| Second Line Imaging (n = 1744, 29.0%) | ||||
| US | 454 (26.0%) | 287 (27.9%) | 167 (23.3%) | 0.11 |
| CT | 863 (49.5%) | 491 (47.7%) | 372 (52.0%) | |
| MRI | 289 (16.6%) | 187 (18.2%) | 102 (14.3%) | |
| Other | 38 (2.2%) | 19 (1.8%) | 19 (2.7%) | |
| Treatment Details | ||||
| Operative | 5723 (95.2%) | 3457 (96.0%) | 2266 (93.9%) | <0.001 |
| Non-operative | 291 (4.8%) | 144 (4.0%) | 147 (6.1%) | |
| Uncomplicated versus Complicated Appendicitis | ||||
| Uncomplicated | 3900 (64.9%) | 2339 (65.0%) | 1561 (64.7%) | 0.12 |
| Complicated | 2096 (34.9%) | 1247 (34.6%) | 849 (35.2%) | |
| Other* | 18 (0.3%) | 14 (0.4%) | 3 (0.1%) | |
Continuous variables presented as median (inter-quartile range); Categorical variables presented as frequency (percentage).
Abbreviations: LOS: Length of Stay, PAS: Pediatric Appendicitis Score, WBC: White Blood Cell Count, US: Ultrasound, CT: Computed Tomography, MRI: Magnetic Resonance Imaging. *Other: Designated if unable to stratify based on clinical data present on chart review.