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Table 1

From: The effect of volitional breathing on the breathlessness-ventilation relationship during progressive exercise in healthy subjects

  Control Volitional  
Breathlessness index (mean ± SEM) (mean ± SEM) P
VAS/VE slope (mmmin l-1) 0.86 ± 0.10 0.97 ± 0.11 P = 0.307
VAS/VE Intercept (lmin-1) 45.50 ± 4.29 54.34 ± 4.91 P = 0.009