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Table 1 Comparison of characteristics between young and elderly women.

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 < 0.0001
MMSE (points) 30 ± 0 16.8 ± 8.9 < 0.0001
  1. Data are mean ± S.D. P-value by the Mann-Whitney U test. MMSE denotes mini-mental state examination.