Table 1.

Quality control of the pentaplex assay.

Analyte	LLOD (IU/mL)	Intra-Assay (CV%)	Inter-Assay (CV%)
Prn	0.2	2.15	2.38
FHA	0.032	2.47	2.60
PT	0.012	1.97	2.67
DT	0.00031	1.45	2.37
TT	0.00035	0.44	2.11

Lower limit of detection (LLOD); intra-assay and inter-assay coefficients of variation (CVs) of anti-diphtheria-tetanus-pertussis (DTP) IgG levels of the in-house reference serum.