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. Author manuscript; available in PMC: 2013 Aug 1.
Published in final edited form as: J Clin Virol. 2012 Jun 4;54(4):332–336. doi: 10.1016/j.jcv.2012.05.002

Table 3. RT-PCR/ESI-MS assay data versus historical sequencing data.

Comparison of early and late RT-PCR/ESI-MS data and NCBI data.

Sample
Size		 Number of
Unique
Genotypes
Discovered		 Number(Percent)
of Samples with
Sequence Variation
(SNPs)		 Average number
of SNPs per
Sample
Early pH1N1 samples
analyzed by RT-
PCR/ESI-MS		 190 8 20 (10.5%) 0.105
Early pH1N1 samples
sequenced by NCBI		 760 27 102 (13.4%) 0.139
Late pH1N1 samples
analyzed by RT-
PCR/ESI-MS		 69 12 48 (69.6%) 0.855
Late pH1N1 samples
sequenced by NCBI		 770 73 348 (45.2%) 0.587