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Figure 3 | Cough

Figure 3

From: Aging deteriorated perception of urge-to-cough without changing cough reflex threshold to citric acid in female never-smokers

Figure 3

Comparisons of urge-to-cough between young and elderly subjects. (A) The urge-to-cough log-log slope by linear regression between log citric acid concentration and the log Borg scores. (B) The urge-to-cough threshold estimated by log citric acid concentration at the log Borg Score of urge-to-cough = 0. Closed circles indicate the value of each subject. Open circles and error bars indicate the mean value and the standard deviation in each group, respectively. n.s. denotes not significant.

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Cough

ISSN: 1745-9974