Table 2.

Quantitative distribution of NSP3 gene copies as determined by qRT-PCR assay in samples from gastroenteritis cases based upon their EIA and RT-PCR testing results

EIA and RT-PCR results	No. of samples	No. of qRT-PCR positives	Copy no. per reactiona
			8.9 × 107 ≤ n < 9.6 × 104	9.6 × 104 ≤ n < 100	100 ≤ n < 3.4	3.4 ≤ n < 1	≤1
EIA+, RT-PCR+	467	467	323	128	11	5	0
EIA+, RT-PCR−	4	4	0	2	0	2	0
EIA−, RT-PCR+	140	140	10	54	47	20	9
EIA−, RT-PCR−	1,295	180	4	30	60	56	30
Total	1,906	791	337	214	118	83	39

^an, copy number per reaction.