Table 3.

ANCOVA model showing association of EGLN1 SNP (rs1769793) with VO₂max in hypoxia

Source	Type III sum of squares	df	Mean square	F	Sig.	R2
Intercept	0.49	1	0.49	6.06	<0.00001	0.191
Age	0.31	1	0.31	3.82	0.014	0.009
Weight	10.07	1	10.07	124.00	<0.00001	0.208
Sex	36.87	1	36.87	457.77	<0.00001	0.483
Study subgroup	5.18	3	1.73	21.44	<0.00001	0.204
EGLN1 SNP rs1769793	1.37	2	0.68	8.47	0.000241	0.034
Sex*subgroup interaction	1.17	3	0.39	4.86	0.002	0.029
rs1769793*subgroup interaction	1.18	6	0.20	2.44	0.024	0.029
Error	39.30	488	0.08
Total	2,273.55	511

Model R² = 0.762.