Table 2.

Comparison of detected concentration groups for capsaicin for participants reporting a symptom often or sometimes with those not having the symptom during the last month (number of participants within brackets)

Symptom	Average capsaicin detected concentrations for participants reporting
	Skin symptom	No symptom	p
Dry facial skin	4.3 (48)	4.9 (17)	0.16
Facial erythema	4.1 (38)	4.9 (27)	0.039*
Itching, stinging, tight or burning facial skin	4.0 (39)	5.0 (26)	0.003*
Body itch	4.3 (31)	4.5 (34)	0.39

Sensitivity for groups is compared with Mann–Whitney U-test

*p < 0.05