TABLE 3

NASA Task Load Index measurements of perceived task load in adults

Acute asthma or COPD#Acute heart failurePneumoniaControlp-value
Subjects n22141514
Effort2.5 (5)3.5 (4)4 (4)5 (5)0.922
Frustration1.75 (2)1.75 (5)2.5 (4)1.25 (5)0.719
Mental demand2.5 (4)3.5 (3)2.5 (4)5 (4)0.774
Performance2.25 (4)1.5 (5)2 (4)5 (5)0.678
Physical demand5 (6)3 (4)5 (3)5 (5)0.418
Temporal demand2.25 (4)2.75 (4)2.5 (4)5 (5)0.935
  • Data presented as median (interquartile range), unless otherwise stated. #: acute asthma n=1, acute COPD n=21; : Kruskal–Wallis test.