Precision of the Kalon Herpes Simplex Virus Type 2 IgG ELISA: an international inter-laboratory assessment

BMC Infectious Diseases

Table 1 Intra-assay (within-run) repeatability of the Kalon HSV-2 IgG ELISA^a

Operator	N	CV	r	Agreement ^b	κ ^b
Technologist-Jr.	598	6.7 %	0.99*	96.8 %	0.91*
Technologist-Sr.	598	5.9 %	0.98*	98.7 %	0.96*

Abbreviations: CV coefficient of variation, r Pearson’s correlation coefficient, and κCohen’s kappa coefficient
*P < 0.01
^aData based Kalon as performed at the USA site (HPTN Laboratory Center)
^bAgreement was based on categorical results interpreted by the manufacturer’s index cut-offs (<0.9, negative; 0.9–1.1, indeterminate; >1.1 positive)

ISSN: 1471-2334