Table 2.

Lifespans (days) for strains that are completed

		Age of		All mice		20% longest lived mice
Strai n	Se x	25% death	75% death	Mean	SEM	Mean	SEM
A	F	534	750	631	23	776	9
	M	533	708	613	24	785	18
AK	F	214	321	275	17	421	48
	M	244	329	293	12	394	19
BTB
R	F	536	666	580	24	733	30
C3	F	622	820	724	24	855	7
CBA	M	532	808	647	30	872	10
MRL	F	421	640	536	23	679	15
NZO	M	280	637	463	36	761	26
PL	F	386	520	462	24	696	17
	M	365	558	471	23	674	19
SJL	F	378	602	494	29	726	41
	M	470	574	491	35	656	35