Table 1. Viability of A549 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	50	100	200	300	400
viability (IR, %)	100 ± 0	92.97 ± 3.42	89.73 ± 4.17	85.48 ± 5.46	69.84 ± 4.91	60.50 ± 5.77
p value		0.1089	0.0695	0.0563	0.0036	0.0024