Table 5.

Fraction of apoptotic cells

Cell line	Mean ± SEM		P
	Tongue	Skin
SCC-25	23 ± 84	24 ± 9	0.957
HSC-4	63 ± 24	90 ± 66	0.679
UT-SCC-12A	20 ± 6	30 ± 10	0.456
UT-SCC-7	18 ± 5	13 ± 5	0.555
Ishikawa	43 ± 13	55 ± 27	0.708
Pooled	35 ± 7	40 ± 12	0.689

N = 2 for SCC-25 skin, HSC-4 skin and UT-SCC-7 tongue, N = 3 for SCC-25 tongue, HSC-4 tongue, UT-SCC-12A tongue and skin, UT-SCC-7 skin and Ishikawa tongue and skin. N = 14 for pooled tongue tumors and N = 13 for pooled skin tumors