highly significantp<0.0001
Median emPHasis-10 scores were 3, 19, 31 and 40 in WHO functional classes I, II, III and IV, respectively, with highly significant differences between the scores in each functional class (all p<0.0001).
Median emPHasis-10 scores were 3, 19, 31 and 40 in WHO functional classes I, II, III and IV, respectively, with highly significant differences between the scores in each functional class (all p<0.0001).