Temporal pattern of humoral immune response in mild cases of COVID-19

Table 1 Temporal pattern of immunoglobulin G and baseline characteristics of real-time reverse transcriptase-polymerase chain reaction positive individuals for coronavirus disease 2019

Variable		n	%	P value	OR adjusted	95%CI
IgG
	Negative	71	37.17
	Positive	120	62.83
Age
	18 to 30 yr	57	29.84
	31 to 59 yr	115	60.21	0.11	1.26	(0.89-3.48)
	60 yr or +	19	9.95	0.32	1.92	(0.60-6.60)
Time
	< 1 mo	8	4.19	0.09	0.79	(0.16-3.83)
	1 mo	64	33.51
	2 mo	42	21.99	0.18	0.56	(0.24-1.30)
	3 mo	35	18.32	0.13	0.50	(0.20-1.22)
	4 mo	21	10.99	0.36	0.61	(0.21-1.75)
	5 mo	10	5.24	0.09	0.29	(0.07-1.21)
	6 mo	9	4.71	0.25	3.55	(0.41-30.69)
	7 mo	2	1.05	0.39	0.27	(0.01-5.14)
Chronic disease
	Not	135	70.68
	Yes	56	29.32	0.07	2.03	(0.94-4.40)
Number of chronic diseases
	0	135	70.68
	1	45	23.56
	2	10	5.24
	3	1	0.52

IgG: Immunoglobulin G; CI: Confidence interval; OR: Odds ratio.