Table 1.

Clinical Frailty Scale, demographics, and comorbidities in patients aged 65 or over admitted to 13 sites in UK and Italy—the COVID-19 in Older People (COPE) study.

	CFS 1–4 N = 423	CFS 5–9 N = 854	Total N = 1277
Sex
Female	149 (24.8)	452 (75.2)	601 (47.1)
Male	274 (40.6)	401 (59.4)	675 (52.9)
missing	0	1	1
Age
65–74	205 (56.0)	161 (44.0)	366 (28.7)
75–84	158 (31.0)	352 (69.0)	510 (39.9)
85+	60 (15.0)	341 (85.0)	401 (31.4)
Ethnicity
White	352 (32.3)	738 (67.7)	1090 (85.4)
Asian	7 (35.0)	13 (65.0)	20 (1.6)
Black	2 (40.0)	3 (60.0)	5 (0.4)
Other	2 (25.0)	6 (75.0)	8 (0.6)
Missing	60	94	154
Smoking
Never	203 (32.7)	417 (67.3)	620 (48.6)
Ex-smoker	187 (34.2)	360 (65.8)	547 (42.8)
Current smoker	20 (27.0)	54 (73.0)	74 (5.8)
Missing	13	23	36
Diabetes
Yes	110 (30.8)	247 (69.2)	357 (28.0)
No	312 (34.1)	604 (65.9)	916 (71.7)
Missing	1	3	4
Coronary Artery Disease
Yes	97 (28.2)	247 (71.8)	344 (26.9)
No	324 (34.8)	606 (65.2)	930 (72.8)
Missing	2	1	3
Hypertension
No	174 (31.1)	386 (68.9)	560 (43.9)
Yes	77 (34.2)	148 (65.8)	225 (17.6)
Yes (on treatment)	170 (34.7)	320 (65.3)	490 (38.4)
missing	2	0	2
CRP
>40	315 (35.5)	573 (64.5)	888 (69.5)
<=40	108 (27.8)	281 (72.2)	389 (30.5)
eGFR
>60	257 (38.6)	409 (61.4)	666 (52.2)
45–59	55 (29.3)	133 (70.7)	188 (14.7)
30–44	50 (22.9)	168 (77.1)	218 (17.1)
<30	33 (22.4)	114 (77.6)	147 (11.5)
missing	28	30	58
Albumin
<35	237 (28.9)	583 (71.1)	820 (64.2)
>=35	162 (41.6)	227 (58.4)	389 (30.5)
Missing	24	44	68
COPD
Yes	54 (29.2)	131 (70.8)	185 (14.5)
No	316 (33.5)	628 (66.5)	944 (73.9)
Missing	53	95	148
Heart Failure
Yes	30 (18.6)	131 (81.4)	161 (12.6)
No	338 (35.0)	627 (65.0)	965 (75.6)
Missing	55	96	151