Table 1.

Spiked MCF-7 cell recovery rates in EDTA and CellSave tubes

	At 4°C				At room temperature
	0 to 4 hrs	24 hrs	48 hrs	72 hrs	0 to 4 hrs	24 hrs	48 hrs	72 hrs
EDTA tube	63 ± 2	75 ± 1	73 ± 5	69 ± 7	51 ± 17	37 ± 1	29 ± 12	9 ± 5
CellSave tube	75 ± 12	61 ± 22	57 ± 9	70 ± 10	71 ± 9	59 ± 15	49 ± 3	39 ± 13

Results shown as mean ± standard deviation.