Table 1. Percentage Annexin V-positive (early apoptotic) ECV304 and H292 cells 72 h after treatment with gemcitabine for 24 h and/or radiotherapy.

dFdC immediately before RT	0 Gy	2 Gy	6 Gy
ECV304
0 nM	9.17±2.38	10.86±1.74	18.76±5.87*
2 nM	10.20±1.36	11.18±2.33	17.19±2.30†
8 nM	14.28±1.68*	18.34±8.41§	31.83±7.31§,∣∣
H292
0 nM	4.00±1.55	6.52±2.39	13.53±4.04*
4 nM	4.77±0.72	5.55±1.51	15.61±1.20††
18 nM	20.06±5.09*	26.94±5.34**	38.26±7.82∣∣,§§
dFdC immediately after RT
ECV304
0 nM	12.67±2.93	12.56±4.50	23.16±2.70
2 nM	5.73±3.40	13.06±4.57	19.18±7.33
8 nM	7.35±5.35	7.30±4.13	17.18±7.07
H292
0 nM	4.02±1.94	5.68±4.37	9.49±4.66
4 nM	3.42±1.91	2.20±0.75	5.60±3.12
18 nM	5.26±1.24	7.24±5.55	11.42±1.33§§

^*P<0.05 vs 0 nM+0 Gy, ^†P<0.05 vs 2 nM+0 Gy, ^§P<0.05 vs 8 nM+0 Gy, ^∣∣P<0.05 vs 0 nM+6 Gy, ^**P<0.05 vs 0 nM+2 Gy, ^††P<0.05 vs 4 nM+0 Gy, ^§§P<0.05 vs 18 nM+0 Gy.