Table 3.

Interactions between genotype × athlete type on muscle composition.

Comparison	Parameter	p-value	F-value	Effect size (Eta2)
Athlete type ×	Capillary-to-fiber ratio	0.582	0.555	0.048
rs1799752 (ACE)	Capillary length density	0.023	4.516	0.291
	Fiber MCSA	0.159	2.004	0.154
	Fiber type distribution	0.126	2.345	0.216
	Myofibrillar volume density	0.025	4.387	0.285
	Mitochondrial volume density	0.832	0.186	0.017
	Intramyocellular lipid volume density	0.234	1.545	0.114
	Sarcoplasmic volume density	0.056	3.258	0.214
Athlete type ×	Capillary-to-fiber ratio	0.879	0.130	0.012
rs2104772 (TNC)	Capillary length density	0.012	5.468	0.332
	Fiber MCSA	0.029	4.198	0.276
	Fiber type distribution	0.997	0.003	0.001
	Myofibrillar volume density	0.851	0.163	0.015
	Mitochondrial volume density	0.695	0.370	0.033
	Intramyocellular lipid volume density	0.952	0.050	0.004
	Sarcoplasmic volume density	0.938	0.065	0.005
Athlete type ×	Capillary-to-fiber ratio	0.985	0.015	0.001
rs1815739 (ACTN3)	Capillary length density	0.995	0.005	0.000
	Fiber MCSA	0.991	0.009	0.001
	Fiber type distribution	0.233	1.524	0.078
	Myofibrillar volume density	0.756	0.283	0.023
	Mitochondrial volume density	0.759	0.279	0.023
	Intramyocellular lipid volume density	0.884	0.124	0.010
	Sarcoplasmic volume density	0.550	0.013	0.049

Statistical analysis was conducted over the two athlete types with multivariate ANOVA or univariate ANOVAs with post hoc test of least significant difference. Significant p-values and their effect sizes are printed in bold.