Factors associated with prolonged duration of viral clearance in non-severe SARS-CoV-2 patients in Osaka, Japan

Table 4 Multivariate linear regression analysis for variables predicting prolonged days of viral clearance 14 days after symptom onset

	All patients (n = 622^a)		Hospitalized patients (n = 359^c)		Non-hospitalized patients (n = 257)
Variables	Adjusted^b		Adjusted^{c, d}		Adjusted^e
	β coefficient	p value	β coefficient	p value	β coefficient	p value
Men	0.22	0.76	− 1.53	0.08	2.54	0.01
Age: 10 years old increment	0.04	0.87	0.44	0.08	− 0.56	0.15
Number of comorbidities
0	ref.	–	ref.	–	ref.	–
1	3.15	0.001	2.98	0.01	2.43	0.15
2+	4.17	0.002	4.76	0.001	4.74	0.17
Recuperation at hospital^a	− 2.44	0.002	–	–	–	–
Duration from illness onset to admission^d	–	–	0.6	< 0.001	–	–

^aOne (0.2%) case of all patients had missing data on location of recuperation. (n = 622)
^bMultiple linear regression adjusted for sex, age, number of comorbidities, and location of recuperation
^cSix (1.6%) cases of hospitalized patients had missing data on date of admission. (n = 359)
^dMultiple linear regression adjusted for sex, age, number of comorbidities, and duration from illness onset to admission
^eMultiple linear regression adjusted for sex, age and number of comorbidities

ISSN: 1347-4715