Ventilatory response to exerice in men and women 55 to 86 years of age
The American review of respiratory disease(1994)
摘要
This study examines the relationship between minute ventilation (VE) and carbon dioxide production (VCO 2 ) during exercise in men (n=128) and women (n=96), 55 to 86 yr of age. The means for the slopes of VE-VCO 2 (ΔVE/ΔVCO 2 ), examined for graded exercise below the ventilation threshold (TVE), increased significantly for men (p<0.0001), from 25.0±0.7 (SEM) at mean age 58 (55 to 59) yr to 32.2±1.8 at mean age 83 (80 to 86) yr, but did not change for women (p=0.0812), from 22.3± 0.9 at mean age 58 (56-59) yr to 24.2±2.4 at mean age 79 (75 to 85) yr. A correlation that was significantly greater than zero was found between ΔVE/ΔVCO 2 and age
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