Table 4.

Bivariate regression analysis between hemoglobin, pulse oxygen saturation, CMS score, blood pressure and health status score in men and women from Junin, Peru (4100 m).

X,Y	Males (n=157) Coefficient of Correlation (r)	Females (n=349) Coefficient of Correlation (r)
SpO2, Hb	r=−0.32**	r=−0.20**
Hb, Breathlessness	r=0.09	r=0.05
Hb, Sleep disturbance	r=0.16**	r=0.10
Hb, cyanosis	r=0.16**	r=0.13**
Hb, dilatation of veins	r=0.21*	r=0.03
Hb, paresthesias	r=−0.04	r=−0.03
Hb, headaches	r=0.11	r=0.09
Hb, tinnitus	r=0.10	r=0.08
Hb, CMS (7 items)	r=0.18**	r=0.11
SpO2, CMS (7 items)	r=−0.17**	r=−0.1
Hb, SBP	r=0.1	r=0.17**
Hb, DBP	r=0.05	r=0.12**
Hb, Health Status	r=−0.1	r=−0.05

^*P<0.01;

^**P<0.05