About one fourth of the patients had elevated levels and in half of these the elevation was substantial.
Although widely reputed for its hot low-elevation desert covered with cacti and creosote bushes, more than half of the state lies at an elevation of at least 4,000 feet (1,200 metres) above sea level, and it possesses the largest stand of evergreen ponderosa pine trees in the world.
The white blood cell count is normal in half of the SEA cases, and if elevation is present, it is usually a moderate one and does not contribute to the SEA diagnosis.
In approximately half of the studies, patients with ST elevation myocardial infarction were not excluded.
Elevation contributed almost half of the variation (49.1%), while the relative contributions of pH and slope were well balanced and equal to 27.0% and 23.9%, respectively (Table 1).
The northern half of Guam, for example, is a coralline limestone plateau with a general elevation of about 500 feet (150 metres), while the mountains in the southern half of the island, formed by volcanic activity, reach a maximum elevation of over 1,300 feet (400 metres).
The Murray cod's natural range encompasses virtually the whole Murray-Darling Basin, particularly the lowland areas, and extending well into upland areas — to about 700 m elevation in the southern half of the basin and to about 1000 m in the northern half of the basin.
At smaller angular separations, where all available spatial separations are confined to one half of the receptive field, azimuthal discrimination exceeds that in elevation.
Occupying the eastern half of the country, it is deeply dissected, with an average elevation of about 3,000 feet (900 metres).
However, approximately half of the laterocollis patients (47.3%) were affected by shoulder elevation compared with only one-third of torticollis patients (31.3%).
