Table 1 Characteristics of the study population.

From: Genetics of symptom remission in outpatients with COVID-19

Characteristic

Placebo

N = 926

Colchicine

N = 929

All

N = 1855

Age (years), mean SD

54.4 ± 9.1

53.9 ± 9.0

54.1 ± 9.1

Female sex, n (%)

499 (53.9%)

544 (58.6%)

1043 (56.2%)

Canada, n (%)

926 (100.0%)

927 (99.8%)

1853 (99.9%)

Self-reported as white, n (%)

918 (99.1%)

924 (99.5%)

1842 (99.3%)

BMI (kg/m2), mean SD

30.3 ± 6.4

30.1 ± 6.5

30.2 ± 6.5

Non-smoker, n (%)

502 (54.2%)

475 (51.1%)

977 (52.7%)

Previous smoker, n (%)

357 (38.6%)

377 (40.6%)

734 (39.6%)

Current smoker, n (%)

67 (7.2%)

77 (8.3%)

144 (7.8%)

History of diabetes, n (%)

162 (17.5%)

140 (15.1%)

302 (16.3%)

History of hypertension, n (%)

307 (33.2%)

289 (31.1%)

596 (32.1%)

History of respiratory disease, n (%)

285 (30.8%)

260 (28.0%)

545 (29.4%)

Asthma, n (%)

199 (21.5%)

188 (20.2%)

387 (20.9%)

Chronic obstructive pulmonary disease, n (%)

24 (2.6%)

30 (3.2%)

54 (2.9%)

Pneumonia, n (%)

25 (2.7%)

18 (1.9%)

43 (2.3%)

Prior MI, PCI or CABG, n (%)

54 (5.8%)

45 (4.8%)

99 (5.3%)

Prior stroke/TIA, n (%)

7 (0.8%)

8 (0.9%)

15 (0.8%)

Prior heart failure, n (%)

9 (1.0%)

7 (0.8%)

16 (0.9%)

Characteristics of study outcomes

Hospitalisation for COVID-19 within 30 days, n (%)

34 (3.7%)

24 (2.6%)

58 (3.1%)

Days to hospitalisation, mean SD

6.8 ± 5.4

6.3 ± 3.8

6.6 ± 4.8

Need for mechanical ventilation, n (%)

1 (0.1%)

1 (0.1%)

2 (0.1%)

COVID-19 symptom remission in 30 days, no

224 (26.3%)

245 (28.1%)

469 (27.2%)

COVID-19 symptom remission in 30 days, yes

627 (73.7%)

627 (71.9%)

1254 (72.8%)

Days from randomisation to end of symptoms, mean SD

11.7 ± 7.2

11.8 ± 7.2

11.7 ± 7.2

Days from first symptoms to randomisation, n

903

918

1821

Days from first symptoms to randomisation, mean SD

5.3 ± 3.4

5.5 ± 4.2

5.4 ± 3.8

  1. BMI: body mass index; CABG: coronary artery bypass graft; MI: myocardial infarction; N: number of patients; PCI: percutaneous coronary intervention; SD: standard deviation.