Table 1 General characteristics of male and female rats at 6, 12, and 18 months of age

264.7 ± 18.1

287.8 ± 19.4

425.1 ± 11.8

398 ± 18.1

295.9 ± 20.9

350.6 ± 20.9

504.3 ± 18.3

427.1 ± 18.1

372.4 ± 18.1

422.1 ± 18.1

627.1 ± 24.3

533.4 ± 18.1

0.8 ± 0.05

0.9 ± 0.05

1.4 ± 0.05

1.0 ± 0.05

1.1 ± 0.07

0.9 ± 0.07

1.5 ± 0.05

1.1 ± 0.05

1.0 ± 0.05

1.0 ± 0.05

1.5 ± 0.05

1.1 ± 0.05

0.9 ± 0.06

0.9 ± 0.06

1.5 ± 0.06

1.1 ± 0.06

1.2 ± 0.06

0.9 ± 0.07

1.2 ± 0.06

1.0 ± 0.06

1.1 ± 0.06

1.0 ± 0.06

1.5 ± 0.06

1.2 ± 0.06

11.0 ± 1

9.9 ± 1

11.1 ± 1

9.7 ± 1

13.4 ± 1

10.1 ± 2

10.1 ± 1

10. ± 1

10.9 ± 1

7.9 ± 1

11.3 ± 1

15.2 ± 1

27.5 ± 2

18.3 ± 2

22.8 ± 2

20.6 ± 2

26.2 ± 3

20.9 ± 3

23.6 ± 2

21.1 ± 2

24.9 ± 2

18.9 ± 2

22.1 ± 2

24.4 ± 2