Baseline characteristics of unique patients with cancer seen in the emergency department (ED) within 30 days of receiving chemotherapy
| Characteristic | No. of unique patients* n = 87 555 |
|---|---|
| Age, yr, median (IQR) | 66 (56–74) |
| No. of ED visits within 30 d of chemotherapy | |
| Median (IQR) | 2 (1–3) |
| 90th percentile | 6 |
| Sex, female | 48 172 (55.0) |
| Rural | 13 604 (15.5) |
| Income quintile | |
| 1 (highest) | 15 674 (18.0) |
| 2 | 17 145 (19.6) |
| 3 | 17 543 (20.1) |
| 4 | 18 701 (21.4) |
| 5 (lowest) | 18 200 (20.9) |
| Cancer type | |
| Gastrointestinal | 17 857 (20.4) |
| Breast | 17 288 (19.8) |
| Hematological | 16 834 (19.2) |
| Lung | 11 732 (13.4) |
| Gynecological | 5322 (6.1) |
| Male genital | 4811 (5.5) |
| Head and neck | 3720 (4.3) |
| Genitourinary | 3241 (3.7) |
| Neurological | 2065 (2.4) |
| Melanoma | 1908 (2.2) |
| Bone or soft tissue | 972 (1.1) |
| Endocrine | 81 (0.1) |
| Other | 1706 (2.0) |
Note: IQR = interquartile range.
↵* Unless stated otherwise.