Table 1.

Demographic and clinical characteristics of COVID-19 cases and matched controls (severity: hospitalisation, ICU admissions, mortality).

	Severity
	Hospitalisation		ICU admissions		Mortality
Characteristic	Cases (N = 3060)	Controls (N = 56,785)	Cases (N = 228)	Controls (N = 4398)	Cases (N = 413)	Controls (N = 7408)
Sex; n (%)
Male	1552 (50.7)	28,729 (50.6)	160 (70.2)	3078 (70.0)	242 (58.6)	4394 (59.3)
Female	1508 (49.3)	28,056 (49.4)	68 (29.8)	1320 (30.0)	171 (41.4)	3014 (40.7)
Age, median (IQR)	74 (59–84)	73 (59–84)	69 (61–76)	69 (60–76)	85 (77–89)	84 (75–88)
Health professional; n (%)	81 (2.6)	1260 (2.2)	8 (3.5)	84 (1.9)	—	—
Comorbidities; n (%)
Hypertension	1754 (57.3)	28,020 (49.3)	126 (55.8)	2060 (46.8)	304 (73.6)	4870 (65.7)
Diabetes	841 (27.5)	10,920 (19.2)	75 (33.2)	900 (20.5)	160 (38.7)	1826 (24.6)
COPD	398 (13.0)	4569 (8.0)	34 (15.0)	392 (8.9)	89 (21.5)	904 (12.2)
Obesity	889 (29.1)	10,817 (19.0)	82 (36.3)	809 (18.4)	115 (27.8)	1592 (21.5)
Ischaemic heart disease	359 (11.7)	4768 (8.4)	32 (14.2)	408 (9.3)	91 (22.0)	942 (12.7)
Cerebrovascular accident	306 (10.0)	3874 (6.8)	17 (7.5)	243 (5.5)	75 (18.2)	763 (10.3)
Heart failure	469 (15.3)	4030 (7.1)	24 (10.6)	205 (4.7)	110 (26.6)	831 (11.2)
Atrial fibrillation	466 (15.2)	5769 (10.2)	33 (14.6)	329 (7.5)	90 (21.8)	1186 (16.0)
Chronic renal failure	437 (14.3)	4316 (7.6)	31 (13.7)	251 (5.7)	102 (24.7)	912 (12.3)
Cancer	529 (17.3)	7770 (13.7)	34 (15.0)	620 (14.1)	104 (25.2)	1378 (18.6)
Asthma	285 (9.3)	3388 (6.0)	16 (7.0)	227 (5.2)	26 (6.3)	387 (5.2)
Current smoker	809 (26.4)	8532 (15.0)	82 (36.0)	875 (19.9)	88 (21.3)	890 (12.0)

ICU = intensive care unit; IQR= interquartile range; COPD = chronic obstructive pulmonary disease.