Table 2 Characteristics of visits stratified to emergency room imaging positivity
Characteristic | All visits (N = 348) | ER imaging negative (N = 156) | ER imaging positive (N = 192) | p-value |
|---|---|---|---|---|
Age a | 11 (6, 15) | 11 (6, 15) | 10 (6, 15) | 0.82† |
Gender | 0.83 | |||
Male | 184 (52.9%) | 84 (53.8%) | 100 (52.1%) | |
Female | 164 (47.1%) | 72 (46.2%) | 92 (47.9%) | |
Type of primary cancer | 0.92 | |||
Bone & soft tissue tumors | 87 (25.0%) | 41 (26.3%) | 46 (24.0%) | |
Hematologic malignancies | 95 (27.3%) | 45 (28.8%) | 50 (26.0%) | |
Neuroblastoma | 62 (17.8%) | 28 (17.9%) | 34 (17.7%) | |
Central nervous system tumors | 53 (15.2%) | 22 (14.1%) | 31 (16.1%) | |
Retinoblastoma | 14 (4.0%) | 5 (3.2%) | 9 (4.7%) | |
Other tumors | 37 (10.6%) | 15 (9.6%) | 22 (11.5%) | |
Ethnicity | 0.28 | |||
White | 186 (53.4%) | 83 (53.2%) | 103 (53.6%) | |
Hispanic | 49 (14.1%) | 18 (11.5%) | 31 (16.1%) | |
Black | 39 (11.2%) | 21 (13.5%) | 18 (9.4%) | |
Asian | 32 (9.2%) | 18 (11.5%) | 14 (7.3%) | |
Oher or unknown | 42 (12.1%) | 16 (10.3%) | 26 (13.5%) | |
Admission | 196 (56.3%) | 63 (40.4%) | 133 (69.3%) | <0.01 |
Reason for visit | ||||
Chest symptoms | 100 (28.7%) | 43 (27.6%) | 57 (29.7%) | 0.75 |
Fever | 99 (28.4%) | 48 (30.8%) | 51 (26.6%) | 0.46 |
Neurological symptoms | 64 (18.4%) | 24 (15.4%) | 40 (20.8%) | 0.24 |
GI symptoms | 63 (18.1%) | 29 (18.6%) | 34 (17.7%) | 0.94 |
Abdominal pain | 57 (16.4%) | 23 (14.7%) | 34 (17.7%) | 0.55 |
Laboratory test abnormality | 25 (7.2%) | 9 (5.8%) | 16 (8.3%) | 0.48 |
Extremity complaints | 18 (5.2%) | 7 (4.5%) | 11 (5.7%) | 0.78 |
Evaluation of disease | 13 (3.7%) | 1 (0.6%) | 12 (6.2%) | 0.01‡ |
Device | 13 (3.7%) | 8 (5.1%) | 5 (2.6%) | 0.34 |
Wound or treatment-related | 12 (3.4%) | 7 (4.5%) | 5 (2.6%) | 0.51 |
Trauma | 10 (2.9%) | 4 (2.6%) | 6 (3.1%) | >0.99 |
Genitourinary symptoms | 9 (2.6%) | 1 (0.6%) | 8 (4.2%) | 0.05‡ |
Back pain/discomfort | 7 (2.0%) | 2 (1.3%) | 5 (2.6%) | 0.47‡ |
Lymphadenopathy | 2 (0.6%) | 0 (0.0%) | 2 (1.0%) | 0.5‡ |
Modality | <0.01 | |||
Radiograph | 195 (56.0%) | 115 (73.7%) | 80 (41.7%) | |
Computed tomography | 88 (25.3%) | 22 (14.1%) | 66 (34.4%) | |
Magnetic resonance imaging | 40 (11.5%) | 12 (7.7%) | 28 (14.6%) | |
Ultrasound | 21 (6.0%) | 7 (4.5%) | 14 (7.3%) | |
Nuclear Medicine | 4 (1.1%) | 0 (0.0%) | 4 (2.1%) | |