Table 2. Viability of BEAS-2B treated with various concentrations of glycyrrhizin 24 h ($\overline{\mathrm{X}}$± SD, n = 3).

The statistical method used is unpaired t-test. Data were expressed as mean ± SD, n = 3.

concentration (µM)	0	25	50	100	150	200
Viability (IR, %)	100 ± 0	95.84 ± 2.64	92.19 ± 3.80	86.41 ± 5.48	78.35 ± 4.87	71.07 ± 5.44
p value		0.1898	0.1095	0.0684	0.0113	0.0060