Table 1.

Rates of Hepatitis B Infection Among Patients With Coronavirus Disease 2019 and the General Population by Region and Age Group

Study	Region Studied	No. of Patients	Age Group of COVID-19 Patients, y, median (IQR)	No. of Patients With HBV	Hepatitis B Rate, %
					COVID-19 Patients	Region	Similar Age Group in Region
Zhao et al [6]	Anhui, China	19	48 (27–56)	1	5.26	7.44	7.5–9a
Guan et al [7]	China	1099	47 (35–58)	23	2.1	6.89	~5.5–7a
Chen et al [8]	Wuhan, China	99	55.5 (36–64)	0	0	6.89b	~5.5–7b
Xu et al [9]c	Wuhan, China	62	41 (32–52)	2	3.22	6.89b	~5.5–7b
Chen et al [10]	Shanghai, China	249	51 (36–64)	2	0.8	7.2	8.3–8.7a
Young et al [11]c	Singapore	18	47 (31–71)	0	0	3.6	~4.1a
Pan et al (in press)	Hubei, China	204	52.9 (SD, 16)	0	0	9.2	11.1a

Abbreviations: COVID-19, coronavirus disease 2019; HBV, hepatitis B virus; SD, standard deviation.

^aLi et al. [12]; Wang et al. [13]; Ji et al. [14]; Ang et al. [15]; She et al. [16].

^bNo data specific to the Wuhan area were noted and so general rates in China were used here.

^cPersonal communication from the authors.