Table 1.

Clinical features of symptomatic COVID-19 patients

	Mild (n = 42) mean (SD) [range]	Moderate/severe (n = 20) mean (SD) [range]	OR [95% CI]	p value*
Age, years	80.5 (3.2) [75–88]	82.9 (4.2) [76–90]	11.00 [1.70–71.10]	0.014
Duration of symptoms, days	14.3 (12.6) [3–70]	18.2 (14.2) [4–50]	1.27 [1.10–1.46]	<0.001
Number of symptoms	4.7 (3.2) [1–12]	5.5 (3.5) [1–13]	1.10 [0.86–1.39]	0.442

	N (%)	N (%)	OR [95% CI]	p value**
Gender (males)	12 (28.6)	12 (60)	3.75 [1.22–11.46]	0.020
Residence
Home-dwelling	40 (69)	18 (31)	2.22 [0.29–17.45]	0.588
Nursing home	2 (50)	2 (50)
General symptoms
Fever	29 (69)	16 (80)	1.79 [0.50–6.42]	0.370
Tiredness	23 (54.8)	13 (65)	1.53 [0.51–4.62]	0.446
Cough	22 (52.4)	13 (65)	1.69 [0.56–5.07]	0.351
Throat soreness	15 (35.7)	8 (40)	1.20 [0.40–3.59]	0.744
Headache	18 (42.9)	4 (20)	0.33 [0.09–1.17]	0.086
Dyspnea	11 (26.2)	14 (70)	6.58 [2.03–21.36]	0.002
Myalgia	17 (40.5)	5 (25)	0.49 [0.15–1.60]	0.238
Appetite loss	17 (40.5)	9 (45)	1.20 [0.41–3.53]	0.736
Nausea	10 (23.8)	5 (25)	1.07 [0.31–3.67]	0.919
Diarrhea	11 (26.2)	10 (50)	2.82 [0.93–8.59]	0.068
Skin lesions	3 (7.1)	1 (5)	0.68 [0.07–7.02]	0.749
Neurologic symptoms
Loss of taste or smell	19 (45.2)	4 (20)	0.30 [0.09–1.06]	0.062
Weakness	1 (2.4)	1 (5)	2.16 [0.13–36.37]	0.594
Confusion	0 (0)	3 (15)	–	0.995
Memory loss	2 (4.8)	3 (15)	3.53 [0.54–23.06]	0.188
Oxygen therapy	2 (4.9)	15 (75)	60.0 [10.49–343.14]	<0.0001

OR, odds ratio; CI, confidence interval.

^*Linear regression model with Poisson distribution (mild as reference category).

^**Logistic regression (mild as reference category).