Table 2. Outcomes per COVID-19 wave among persons included in a study of risk for severe COVID-19 outcomes among persons with intellectual disabilities, the Netherlands*.
| Outcomes | Wave I, March–June 2020 | Wave II, July 2020–January 2021 | Wave III, February–May 2021 |
|---|---|---|---|
| Total COVID-19 infections | 335 | 1,927 | 268 |
| Sex, no. (%) | |||
| M | 178 (53.1) | 1,138 (59.5) | 153 (57.1) |
| F | 157 (46.9) | 776 (40.5) | 115 (42.9) |
| Infections per age group, no. (%) | |||
| 0–17 y | 6 (1.8) | 58 (3.0) | 17 (6.4) |
| 18–39 y | 68 (20.4) | 593 (31.0) | 77 (28.9) |
| 40–69 y | 202 (60.7) | 1,039 (54.4) | 141 (53.0) |
|
>70 y |
57 (17.1) |
221 (11.6) |
31 (11.7) |
| Mild illness, no. (%)† | 240 (71.6) | 1,785 (92.6) | 247 (92.2) |
| Sex, no. (%) | |||
| M | 126 (52.5) | 1,039 (58.6) | 144 (58.3) |
| F | 114 (47.5) | 733 (41.4) | 103 (41.7) |
| Infections per age group, no. (%) | |||
| 0–17 y | 6 (2.5) | 57 (3.2) | 17 (6.9) |
| 18–39 y | 64 (26.9) | 579 (32.7) | 77 (31.4) |
| 40–69 y | 139 (58.4) | 948 (53.6) | 128 (52.2) |
|
>70 y |
29 (12.2) |
185 (10.5) |
23 (9.4) |
| Severe illness, no. (%) | 46 (13.7) | 99 (5.1) | 14 (5.2) |
| Sex, no. (%) | |||
| M | 27 (58.7) | 68 (68.7) | 7 (50.0) |
| F | 19 (41.3) | 31 (31.3) | 7 (50.0) |
| Infections per age group, no. (%) | |||
| 0–17 y | 0 | 0 | 0 |
| 18–39 y | 3 (6.5) | 13 (13.1) | 0 |
| 40–69 y | 34 (73.9) | 71 (71.7) | 10 (71.4) |
|
>70 y |
9 (19.6) |
15 (15.2) |
4 (28.6) |
| No. deaths (case-fatality ratio)‡ | 49 (14.6) | 43 (2.2) | 7 (2.6) |
| Sex, no. (%) | |||
| M | 25 (52.1) | 31 (72.1) | 2 (28.6) |
| F | 23 (47.9) | 12 (27.9) | 5 (71.4) |
| Deaths per age group, no. (%) | |||
| 0–17 y | 0 | 1 (2.3) | 0 |
| 18–39 y | 1 (2.0) | 1 (2.3) | 0 |
| 40–69 y | 29 (59.2) | 20 (46.5) | 3 (42.9) |
| >70 y | 19 (38.8) | 21 (48.8) | 4 (57.1) |
*Because of missing data for some responses, values might not add up to 100%. For missing SARS-CoV-2 testing date, we used reported date of illness onset instead. In total, 56 patients had no date information and could not be assigned to a specific wave, of which 54 reported mild illness and 2 reported severe illness. †Missing data for sex, n = 13, and age, n = 20. ‡Missing data for sex, n = 1.