Table 2.

Cell viabilities from MTT assay in combined treatments compared to H1N1

Compound	Cell viability (mean ± SD)
	Co-pen	Pre-pen	Post-pen
Ascorbate + H1N1	2.97 ± 0.01**	1.82 ± 0.79**	3.69 ± 0.21**
Acetate + H1N1	1.11 ± 0.02**	1.08 ± 0.02**	0.82 ± 0.09**
Citrate + H1N1	1.34 ± 0.41**	1.03 ± 0.04**	0.92 ± 0.03**
Amantadine hydrochloride + H1N1	0.89 ± 0.03**	0.52 ± 0.04*	0.54 ± 0.05*
Oseltamivir carboxylate + H1N1	0.98 ± 0.00**	0.93 ± 0.00**	0.92 ± 0.03**
H1N1	0.23 ± 0.04	0.23 ± 0.04	0.23 ± 0.04

Data presented as mean ± SD are averages of 4 independent MTT assays

*Significantly and** highly significantly different from untreated sample (P ≤ 0.05 and P ≤ 0.01) were analyzed by SPSS, Tukey post-hoc test