Table 2.

Rate of CD59 positive cells in amniotic membrane pieces processed after different freezing times. The rates are given in percent, as mean ± standard deviation. Markedly no relation can be discovered in the rate of CD59-positive cells and the freezing time.

Placenta	fresh	2–4 months	5–8 months	13-14 months
A				62, 0 ± 18, 7
B			88, 0 ± 11, 2
C		96, 5 ± 0, 5	51
D	63, 0 ± 14, 5
E	94,0			61, 7 ± 15, 3
F			56, 1 ± 6, 8
G		63, 6 ± 18, 5