Table 2.

Overview of preservation techniques used.

Preservation technique of the allograft	Amount of allografts	%
Deep-frozen	1335	42.3
Cryopreservation	768	24.3
Viable	368	11.7
Irradiated	1	0.0
Lyophilized	17	0.5
Nondefined/Not specified	668	21.2
Total	3157	100