Demographic and clinical characteristics of people with COVID-19 and matched controls in British Columbia at the index date, by highest level of care
| Characteristic | No. (%)* of people with COVID-19 n = 2465 | No. (%)* of controls n = 9846 | Standardized difference | No. (%)*of people with COVID-19 by highest level of care | |||
|---|---|---|---|---|---|---|---|
| Community n = 1752 (71%) | LTC n = 248 (10%) | Hospital n = 326 (13%) | ICU n = 139 (6%) | ||||
| Age, yr | |||||||
| Mean ± SD | 53.4 ± 21.8 | 53.4 ± 21.7 | 0 | 45.3 ± 17.9 | 85.3 ± 9.2 | 67.9 ± 17.7 | 65.1 ± 14.4 |
| Median (IQR) | 52 (36–69) | 52 (36–69) | 45 (33–57) | 87 (80–92) | 71 (55–82) | 68 (58–74) | |
| Sex | |||||||
| Female | 1372 (55.7) | 5483 (55.7) | 0 | 1007 (57.5) | 168 (67.7) | 142 (43.6) | 55 (39.6) |
| Male | 1093 (44.3) | 4363 (44.3) | 745 (42.5) | 80 (32.3) | 184 (56.4) | 84 (60.4) | |
| Rurality of residence from Statistics Canada rural flag (35) | |||||||
| Urban | 2356 (95.6) | 9355 (95.0) | 0.03 | 1668 (95.2) | 248 (100.0) | 310 (95.1) | 130 (93.5) |
| Rural or small town | 109 (4.4) | 491 (5.0) | 84 (4.8) | 0 (0) | 16 (4.9) | 9 (6.5) | |
| Neighbourhood income quintile | |||||||
| 1 (lowest) | 601 (24.4) | 2436 (24.7) | 0.03 | 370 (21.1) | 111 (44.8) | 89 (27.3) | 31 (27.3) |
| 2 | 503 (20.4) | 2001 (20.3) | 384 (21.9) | 39 (15.7) | 53 (16.3) | 27 (19.4) | |
| 3 | 515 (20.9) | 2046 (20.8) | 355 (20.3) | 60 (24.2) | 72 (22.1) | 28 (20.1) | |
| 4 | 434 (17.6) | 1773 (18.0) | 328 (18.7) | 23 (9.3) | 64 (19.6) | 19 (13.7) | |
| 5 (highest) | 383 (15.5) | 1478 (15.0) | 291 (16.6) | 15 (6.0) | ≤ 47 (≤ 14.4)† | ≤ 33 (≤ 23.7)† | |
| Missing | 29 (1.2) | 112 (1.1) | 24 (1.4) | 0 (0) | ≤ 6† | ≤ 6† | |
| Place of residence at the index date | |||||||
| Community | 2177 (88.3) | 8705 (88.4) | 0 | 1752 (100.0) | NA | ≤ 325 (≤ 99.7)† | ≤ 138 (≤ 99.2)† |
| Long-term care | 288 (11.7) | 1141 (11.6) | NA | 248 (100.0) | ≤ 35 (≤ 10.7)† | ≤ 6† | |
| ADG score | |||||||
| Mean ± SD | 10.35 ± 13.1 | 11.4 ± 14.1 | 0.08 | 6.3 ± 10.2 | 26.7 ± 11.9 | 18.5 ± 14.3 | 13 ± 12 |
| Median (IQR) | 6 (1–18) | 7 (1–19) | 4 (0–11) | 26 (18–35) | 17 (7–27) | 11 (4–18) | |
Note: ADG = Aggregated Diagnosis Group, ICU = intensive care unit, IQR = interquartile range, LTC = long-term care, NA = not applicable, SD = standard deviation.
↵* Unless specified otherwise.
↵† Numbers and percentages were suppressed so that small cell sizes were not reported and cannot be calculated.