Table 4 Average fiber area (μm2), standard deviation (μm2) and standard error (μm2) for each muscle of a subset of each age-cohort (C1 = 3 weeks old; C2 = 8 months old; C3 = 2 years old) and the connecting letter report from a Tukey’s HSD test comparing the three groups.

From: Anatomical and ontogenetic influences on muscle density

Age-cohort

Average fiber area (μm2)

Std. dev. (μm2)

Std. error mean (μm2)

C1

393.87

129.48

31.40

C2

1037.65

427.68

103.73

C3

1657.02

736.32

173.55