Table 1 Body composition, absolute and relative heart weight

31.0 (30.0–32.0)

50.0 (47.0–55.0)^***

49.5 (47.0–54.0)^***

0.0003

39.0 (38.0–41.0)

78.0 (69.0–81.0)^***

55.0 (51.0–59.0)^{***††††}

<.0001

20.5 (18.5–26.3)

40.2 (37.6–41.9)^***

41.6 (38.8–44.5)^***

0.0001

27.6 (24.0–30.7)

64.2 (61.4–67.6)^***

47.3 (41.2–50.2)^{***††††}

<.0001

22.8 (20.1–23.1)

27.1 (25.0–28.2)^**

25.6 (24.4–26.3)^**

0.002

26.9 (24.0–28.6)

27.0 (24.8–27.8)

29.5 (27.3–30.5)

0.2

131 (115–142)

199 (181–208)^a***

173 (168–180)^***

<.0001

3.3 (3.1–3.4)

2.6 (2.5–2.8)^a***

3.3 (3.0–3.4)^††††

<.0001

5.0 (4.2–5.2)

7.7 (6.8–8.2)^a***

6.2 (5.9–6.7)^***†††

<.0001