Table. 2.

Characteristics of patients initially HBsAg positive but not confirmed with the Elecsys HBsAg confirmatory test

Patient no. Age (yr) HBsAg (COI) Anti-HBs Anti-HBe HBeAg Anti-HBc total Anti-HBc IgM HBV DNA
1 53 1.10 R N N N N NT
2 37 1.20 R N N N N NT
3 35 1.22 N R N R N ND

Abbreviations: HBsAg, hepatitis B surface antigen; COI, cut-off index; anti-HBs, hepatitis B surface antibody; anti-HBe, hepatitis B e antibody; HBeAg, hepatitis B e antigen; anti-HBc, hepatitis B core antigen; IgM, immunoglobulin M; HBV, hepatitis B virus; R, reactive; N, nonreactive; NT, not tested; ND, not detected.

Lab Med Qual Assur 2021;43:80~86 https://doi.org/10.15263/jlmqa.2021.43.2.80
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