Study on arsenic trioxide inducing in vitro apoptosis of gastric cancer cell lines

Table 3 Apoptosis rate (%) of SGC7901 by different treatment methods (^-x±s)

Group	Controls	5-Fu	As2O3 1	As2O3 2
48 h	7.44 ± 0.60	34.28 ± 4.15	51.33 ± 5.16a	78.31 ± 9.14b
72 h	30.90 ± 2.54	56.32 ± 4.56	78.15 ± 6.78a	89.28 ± 10.26b

Comparison of apoptosis rate between As₂O₃ and 5-Fu group,

^aP < 0.05 (t > 2.2262),

^bP < 0.01 (t > 3.250)