Table 2.

Median survival times of metal-implanted mice.

Group	Median Survival (Weeks)
Sham	104
Ta	99
WTa	93 *
NiTa	97
CoTa	93 *
WNiTa	87 *
WCoTa	92
NiCoTa	100

All mice were implanted with 4 pellets. Median survival calculated from n = 20 for each experimental group. Values statistically different from sham control group at p < 0.5, as determined by the Wilcoxon–Mann–Whitney U-test, are denoted by *.