Table 1:

Clinical and demographic characteristics of patients undergoing long-term dialysis in Ontario with and without a diagnosis of SARS-CoV-2 infection, as of Aug. 20, 2020

CharacteristicNo. (%) of patients with SARS-CoV-2 infectionNo. (%) of patients without SARS-CoV-2 infectionStandardized difference, %*
All patients187 (NA)12 314 (NA)
Modality40
 In-centre hemodialysis166 (88.8)9159 (74.4)
 Home dialysis21 (11.2)3155 (25.6)
Years on dialysis13
 0–5138 (73.8)9754 (79.2)
 > 549 (26.2)2560 (20.8)
Resident of LTC61
 No140 (74.9)11 753 (95.4)
 Yes47 (25.1)561 (4.6)
Geographic location66
 Greater Toronto Area151 (80.7)6293 (51.1)
 Outside the Greater Toronto Area36 (19.3)6021 (48.9)
Sex3
 Female72 (38.5)4909 (39.9)
 Male115 (61.5)7405 (60.1)
Age group, yr6
 18–4925 (13.4)1654 (13.4)
 50–6457 (30.5)3427 (27.8)
 ≥ 65105 (56.1)7233 (58.7)
Age, yr3
 Median (IQR), yr68 (58–78)68 (57–77)
 Range20–9218–102
Ethnicity59
 White61 (32.6)7265 (59.0)
 Black38 (20.3)889 (7.2)
 Indian subcontinent24 (12.8)1177 (9.6)
 Other non-White57 (30.5)2675 (21.7)
 Missing/unknown7 (3.7)308 (2.5)
Diabetes3
 Yes86 (46.0)5872 (47.7)
Cancer7
 Yes10 (5.3)856 (7.0)
Cardiac disease2
 Yes53 (28.3)3587 (29.1)
Previous transplant13
 Yes7 (3.7)807 (6.6)
Income quintiles35
 1 (lowest)69 (36.9)3639 (29.6)
 249 (26.2)2752 (22.3)
 342 (22.5)2348 (19.1)
 415 (8.0)1901 (15.4)
 5 (highest)12 (6.4)1606 (13.0)
 Missing/unknown0 (0.0)68 (0.6)
  • Note: IQR = interquartile range, LTC = long-term care, NA = not available, SARS-CoV-2 = severe acute respiratory syndrome coronavirus 2.

  • * Accepted criteria for determining a meaningful difference is a standardized difference greater than 10% and is indicated in boldface type.

  • Income quintile is a measure of neighbourhood socioeconomic status that divides the population into 5 income groups of equal size in which group 1 lives in the neighbourhoods with the lowest incomes and group 5 in those with the highest incomes.