Table 1.
Subject characteristics in the two participating cohorts. Numbers presented as count (percentage) except where otherwise 570 noted. Hypertension information was not available for the Mount Sinai Biobank cohort.
BQC19 (n = 333) | Mount Sinai Biobank (n = 247) | |||
---|---|---|---|---|
Cases (n = 91) | Controls (n = 242) | Cases (n = 119) | Controls (n = 128) | |
Age in years (mean) | 67.2 | 66.2 | 64.8 | 59.2 |
Female sex | 35 (38.5%) | 133 (55.0%) | 49 (41.2%) | 57 (44.5%) |
Hospital site | – | – | – | – |
Centre Hospitalier de l’Université de Montréal | 32 (35.2%) | 22 (9.1%) | – | – |
Jewish General Hospital | 59 (64.8%) | 220 (90.1%) | – | – |
Mount Sinai Hospital | – | – | ||
COVID-19 positive | 91 (100%) | 202 (83.5%) | 119 (100%) | 128 (100%) |
Diabetes | 38 (41.8%) | 71 (29.3%) | 30 (25.2%) | 32 (25.0%) |
Chronic obstructive pulmonary disease | 16 (17.6%) | 27 (11.2%) | 14 (11.8%) | 8 (6.3%) |
Chronic kidney disease | 16 (17.6%) | 24 (9.9%) | 15 (12.6%) | 26 (20.3%) |
Congestive heart failure | 13 (14.3%) | 28 (11.6%) | 14 (11.8%) | 11 (8.6%) |
Hypertension | 60 (65.9%) | 134 (55.4%) | – | – |
Liver disease | 2 (2.2%) | 4 (1.7%) | 6 (5.0%) | 4 (3.1%) |
Smoking status | ||||
Current smoker | 5 (5.5%) | 6 (2.5%) | 10 (8.4%) | 9 (7.0%) |
Ex-smoker | 11 (12.1%) | 30 (12.4%) | 32 (26.9%) | 35 (27.3%) |
Never smoker | 39 (42.9%) | 172 (71.1%) | 47 (39.5%) | 65 (50.8) |
Don’t know | 36 (39.6%) | 34 (14.0%) | 30 (25.2%) | 19 (14.8%) |