Table 5. Comparison of maximum likelihood estimates of the major gene parameters for oxygen saturation obtained in the present study with those previously published.

	Three counties, TAR*	Pen-Dri, TAR†	Phala, TAR‡
Altitude range, m	3,800-4,200	3,800-4,065	4,850-5,450
qA	0.2178 ± 0.024	0.258 ± 0.1193	0.446 ± 0.095
μAA	79.5 ± 1.1	82.6 ± 1.8	78.1 ± 1.0
μAB	-	87.6 ± 1.3	-
μBB (=μAB)	89.4 ± 0.1	88.3 ± 0.7	84.0 ± 0.5
Proportion of phenotypic variance due to major locus, %	46	21	39

A, low saturation allele; TAR, Tibet Autonomous Region.

^*Present study.

^†Ref. 2.

^‡Ref. 1.