Hepatitis B Virus Immunity Gap: A Six-Year Laboratory Data Review of Hepatitis B Serological Profiles in Gauteng Province, South Africa

Table 1

Demographic characteristics of patients who sought care for HBV serological diagnosis in Gauteng Province, South Africa, from 2014 to 2019.

Variables	2014 N = 66,974	2015 N = 180,739	2016 N = 253,969	2017 N = 280,914	2018 N = 251,118	2019 N = 292,900	Total N = 1,326,614
	n (%)	n (%)	n (%)	n (%)	n (%)	n (%)	n (%)
Age group (years)
<5	1,506 (2.3)	2,045 (1.1)	2,218 (0.9)	2,570 (1.0)	2,646 (1.1)	2,363 (0.8)	13,348 (1.0)
5–12	1,470 (2.2)	2,370 (1.3)	2,672 (1.1)	2,888 (1.0)	2,547 (1.0)	2,600 (0.9)	14,547 (1.1)
13–24	8,338 (12.5)	20,692 (11.4)	28,718 (11.3)	31,697 (11.0)	28,881 (11.5)	38,826 (13.3)	157,152 (11.8)
≥25	55,660 (83.0)	155,632 (86.1)	220,361 (87.0)	243,759 (86.8)	217,044 (86.4)	249,111 (85.0)	1,141,567 (86.1)
Sex
Female	40,616 (60.6)	107,956 (60.0)	153,612 (60.5)	169,880 (60.5)	152,110 (60.6)	178,902 (61.1)	803,076 (60.5)
Male	26,358 (39.4)	72,783 (40.0)	100,357 (39.5)	111,034 (39.5)	99,008 (39.0)	113,998 (39.9)	523,538 (39.5)