Table 2. Characteristics by end-of-study status in laboratory-confirmed COVID-19 cases in nursing home residents in the city of Barcelona, 24 February–4 May 2020 (n = 3,137).

End-of-study status	Overall n = 3,137		Alive n = 2,334		Deceased n = 803		p value
	n	%	n	%	n	%
Age (median (IQR))	88 (83–92)		88 (82–92)		88 (84–93)		< 0.001
Sex							< 0.001
Female	2,323	74.1	1,801	77.2	522	65.0
Hospitalised	1,064	33.9	561	24.0	503	62.6	< 0.001
ICU	33	1.1	16	0.7	17	2.1	< 0.001
Symptomsa
Pneumonia	581	46.0	300	40.2	281	54.4	< 0.001
Dyspnoea	686	54.3	343	46.0	343	66.3	< 0.001
ARDS	116	9.2	45	6.0	71	13.7	< 0.001
AKI	79	6.3	39	5.2	40	7.7	< 0.001
Chronic conditionsa
Cardiovascular	718	56.8	397	53.2	321	62.1	< 0.001
Diabetes	297	23.5	168	22.5	129	25.0	< 0.001
Respiratory	207	16.4	124	16.6	83	16.1	< 0.001
Neurological	493	39.0	266	35.7	227	43.9	< 0.001
Kidney disease	236	18.7	128	17.2	108	20.9	< 0.001
Cancer	113	8.9	58	7.8	55	10.6	< 0.001
Liver disease	39	3.1	22	2.9	17	3.3	< 0.001
SES							0.035
Low	395	12.6	295	12.6	100	12.5
Medium-low	928	29.6	712	30.5	216	26.9
Medium-high	941	30.0	695	29.8	246	30.6
High	873	27.8	632	27.1	241	30.0
Days from symptom onset to diagnosis (median (IQR))	4 (1–9)		5 (2–11)		3 (1–8)		< 0.001

AKI: acute kidney injury; ARDS: acute respiratory distress syndrome; COVID-19: coronavirus disease; ICU: intensive care unit upon admission; IQR: interquartile range; SES: socio-economic status; NA: not applicable.

^a Multiple symptoms and/or chronic conditions can exist for each case.

Values are n (%) unless otherwise specified. Percentages for symptoms and chronic conditions are calculated based on the number of surveyed cases (n = 1,263; 746 alive and 517 deceased).