Percentages. The significance level was P <0.05. Results Sixty patients were studied

Percentages. The significance level was P < 0.05. Results Sixty patients were studied (52 men, mean age 64 ?17 years, 18 with chronic obstructive pulmonary disease in threshold group vs 15 in control group). Comparing initial versus final cardiorespiratory variables in both groups, no important differences were observed with exception of PImax (increased from ?3.5 […]

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