. 2022 Apr 16;37(6):1814–1821. doi: 10.1007/s00455-022-10439-z

Table 2.

Median and interquartile range (IQR) of cough threshold concentrations

	ND group	Control group
Capsaicin concentration eliciting cough; median of number of drops (IQR)	2 (1–3)	1 (1–1)
1 drop LCE/100 mL carbonated water	11 (39.3%)^a	27 (90%)^a
2 drops LCE/100 mL carbonated water	6 (21.4%)^a	2 (6.7%)^a
3 drops LCE/100 mL carbonated water	7 (25%)^a	1 (3.3%)^a
4–10 drops LCE/100 mL carbonated water	4 (14.3%)^a	0 (0%)^a

LCE Liquid cayenne extract (1.5–2% capsaicin), IQR Interquartile range, ND neurogenic dysphagia

^aNumber of participants n (%)