Analysis of 394 COVID-19 cases infected with Omicron variant in Shenzhen: impact of underlying diseases to patient’s symptoms

Table 5 Logistic regression estimates of patients by their characteristics

N = 392, Mild = 303; Moderate = 89
	Odds ratio	OR (95% CI)		AIC	BIC	Pearson chi2
Age	1.011	0.996	1.026	400.663	− 1896.388	394.000
Male	Ref.
Female	1.109	0.667	1.845
Number_of_vaccinations	1.333	0.847	2.097
IgM	1.014	0.979	1.051
IgG	0.997^b	0.994	0.999
Time_internal [1]	1.004^a	1.000	1.007
No underlying diseases	Ref.
With underlying disease	4.633^c	2.251	9.537
No vaccination	Ref.
Vaccine category (inactivated virus)	0.554	0.172	1.785
Vaccine category (mRNA)	0.460	0.123	1.727
Vaccine category (others)	0.889	0.166	4.751

[1] The interval between the last blood collection and the date of admission in hospital
OR Odd ratio; CI Confidence interval
^ap < 0.05
^bp < 0.01
^cp < 0.001

ISSN: 2047-783X