TABLE 2.

Risk of hospital admission for COVID‐19: univariable and multivariable Cox regression analysis. In bold statistically significant results.

	Number of hospital admission for COVID‐19	HR (95% CI)	P	Adjusted HR (95% CI)	P
Control	64	Reference		Reference
Parkinson's disease	4	0.8 (0.3–2.1)	0.614	0.8 (0.3–2.3)	0.756
Parkinsonism	6	4.4 (1.9–10.2)	0.001	3.3 (1.4–7.6)	0.006
Age (mean ± SD, 78.9 ± 8.7 y)	‐	1.04 (1.01–1.07)	0.008	1.02 (1.0–1.05)	0.172
Sex, n (%)
Male	50 (0.9)	Reference		Reference
Female	24 (0.6)	0.7 (0.4–1.1)	0.103	0.7 (0.4–1.1)	0.118
District, n (%)
Bologna	38 (0.9)	Reference		Reference
Reno	11 (1.0)	1.1 (0.5–2.1)	0.841	1.0 (0.5–2.0)	0.981
Pianura Est	7 (0.4)	0.4 (0.2–0.9)	0.029	0.4 (0.2–1.0)	0.041
Pianura Ovest	9 (0.8)	0.9 (0.4–1.8)	0.662	0.9 (0.4–1.8)	0.767
Apennino	2 (0.3)	0.3 (0.1–1.3)	0.108	0.3 (0.1–1.3)	0.122
San Lazzaro	7 (1.0)	1.1 (0.5–2.4)	0.833	1.2 (0.5–2.6)	0.71
Charlson Index, n (%)
0	30 (0.4)	Reference		Reference
1	16 (1.6)	3.9 (2.1–7.2)	< 0.001	3.4 (1.8–6.3)	< 0.001
2	18 (2.3)	5.5 (3.1–9.9)	< 0.001	4.9 (2.7–8.8)	< 0.001
≥3	10 (2.1)	5.1 (2.5–10.3)	< 0.001	4.4 (2.1–9.1)	< 0.001
Comorbidities, n (%)
Myocardial infarction	4 (2.4)	3.2 (1.2–8.7)	0.025
Congestive heart failure	14 (2.1)	3.1 (1.8–5.6)	< 0.001
Peripheral vascular disease	1 (1.3)	1.7 (0.2–12.2)	0.6
Cerebrovascular disease	13 (2.8)	4.2 (2.3–7.7)	< 0.001
Dementia	11 (1.8)	2.5 (1.3–4.7)	0.006
Chronic pulmonary disease	4 (1.5)	1.9 (0.7–5.3)	0.204
Peptic ulcer disease	0 (0)	na	1
Liver disease	0 (0)	na	1
Diabetes	7 (2.1)	2.9 (1.3–6.4)	0.007
Renal disease	8 (3.5)	5.0 (2.4–10.5)	<0.001
Any malignancy	8 (1.7)	2.2 (1.1–4.7)	0.03