From: Aging deteriorated perception of urge-to-cough without changing cough reflex threshold to citric acid in female never-smokers
Young
Elderly
P-value
Number
14
12
Age (years)
24.6 ± 3.9
85.6 ± 7.1
< 0.0001
Barthel index (scores)
100 ± 0
43.2 ± 22.2
MMSE (points)
30 ± 0
16.8 ± 8.9