Table 1.

Subject characteristics and capsaicin cough thresholds

ID no.aSexAge (years)Session 1 C2 (μm)Session 2 C2 (μm)
1Male3515.6315.63
2Female367.817.81
3Male4915.6315.63
4Female213.913.91
5Female213.913.91
6Female221.951.95
9Male2115.6315.63
10Male243.913.91
11Male213.913.91
12Male2331.2531.25
13Male287.813.91
14Female271.950.25
15Female190.980.98
16Male2015.6331.25
17Male187.817.81
18Male201.953.91
19Male197.817.81
20Female337.813.91
21Male267.817.81
MeanMale25.6 ± 6.28.71 ± 1.26b9.33 ± 1.31b
MeanFemale24.5 ± 11.23.23 ± 1.35b2.29 ± 1.41b
  • aData from two subjects were excluded from all analyses because of excessive event-related head motion (no. 7) and a failure to comply with the experimental protocol (no. 8).

  • bC2 (concentration of capsaicin required to evoke two coughs) shown as geometric mean ± SE.