Demographic and clinical characteristics of people with COVID-19 and matched controls in Ontario at the index date, by highest level of care
| Characteristic | No. (%)* of people with COVID-19 n = 28 893 | No. (%)* of controls n = 115 098 | Standardized difference | No. (%)*of people with COVID-19 by highest level of care | |||
|---|---|---|---|---|---|---|---|
| Community n = 20 545 (71%) | LTC n = 4478 (15%) | Hospital n = 2926 (10%) | ICU n = 944 (3%) | ||||
| Age, yr | |||||||
| Mean ± SD | 53.7 ± 22.7 | 53.6 ± 22.7 | 0 | 44.5 ± 18.1 | 83.3 ± 10.8) | 69.7 ± 17.8) | 62.9 ± 13.6 |
| Median (IQR) | 53 (35–71) | 53 (35–70) | 0 | 45 (30–57) | 86 (78–91) | 73 (58–84) | 63 (55–73) |
| Sex | |||||||
| Female | 16 219 (56.1) | 64 661 (56.2) | 0 | 11 457 (55.8) | 2963 (66.2) | 1454 (49.7) | 345 (36.5) |
| Male | 12 674 (43.9) | 50 437 (43.8) | 9008 (44.2) | 1515 (33.8) | 1472 (50.3) | 599 (63.5) | |
| Rurality of residence from Statistics Canada rural flag35 | |||||||
| Urban | 27 911 (96.6) | 109 596 (95.2) | 0.07 | 19 814 (96.4) | 4337 (96.9) | 2852 (97.5) | 908 (96.2) |
| Rural or small town | 982 (3.4) | 5502 (4.8) | 731 (3.6) | 141 (3.1) | 74 (2.5) | 36 (3.8) | |
| Neighbourhood income quintile | |||||||
| 1 (lowest) | 8232 (28.5) | 32 281 (28.0) | 0.03 | 5736 (27.9) | 1350 (30.1) | 874 (29.9) | 272 (28.8) |
| 2 | 6457 (22.3) | 25 666 (22.3) | 4382 (21.3) | 1174 (26.2) | 681 (23.3) | 220 (23.3) | |
| 3 | 5820 (20.1) | 22 341 (19.4) | 4225 (20.6) | 847 (18.9) | 574 (19.6) | 174 (18.4) | |
| 4 | 4409 (15.3) | 18 273 (15.9) | 3366 (16.4) | 468 (10.5) | 413 (14.1) | 162 (17.2) | |
| 5 (highest) | 3975 (13.8) | 16 530 (14.4) | 2836 (13.8) | 639 (14.3) | 384 (13.1) | 116 (12.3) | |
| Missing | 0 (0) | 7 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | |
| Place of residence at index date | |||||||
| Home (community) | 23 741 (82.2) | 94 887 (82.4) | 0.01 | 20 545 (100) | NA | 2232 (79.4) | 873 (92.5) |
| Long-term care | 5152 (17.8) | 20 211 (17.6) | NA | 4478 (100.0) | 603 (20.6) | 71 (7.5) | |
| ADG score | |||||||
| Mean ± SD | 11.3 ± 14.1 | 12.3 ± 14.9 | 0.07 | 6.7 ± 10.0 | 24.4 ± 15.0 | 21.8 ± 17.8 | 15.7 ± 15.3 |
| Median (IQR) | 6 (1–18) | 7 (1–20) | 0.06 | 4 (0–10) | 20 (16–34) | 19 (7–34) | 12 (4–23) |
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.