Effect of arsenic trioxide on rat hepatocarcinoma and its renal cytotoxicity

Table 1 Relationship between tumor cells apoptotic rate in each group and treatment time (^-x±s)

Specimen	7 days	14 days	28 days
Group A	18.30 ± 3.43a	20.16 ± 5.31a	16.92 ± 4.03a
Group B	40.99 ± 5.89b	51.59 ± 7.67b	47.49 ± 3.23b
Group C	11.80 ± 7.02	12.24 ± 4.41a	10.77 ± 3.45a
Group D	22.41 ± 7.09a	17.31 ± 6.16a	13.88 ± 3.83a
Group E	7.66 ± 2.23	6.72 ± 2.31	6.30 ± 1.15

^aP < 0.05, vs group E;

^bP < 0.001, vs group E.