Positive patch test reactions (No) Total positive to F/FR and/or MCI/MI
F/FR* MCI/MI* Both**
Atopic dermatitis ( +) Lithuania n 155 19 P=0.01 21 P=0.04 5 P=0.06 40
Sweden n 119 4 6 10 10
Atopic dermatitis (-)ยช Lithuania N 59 3 1 1 14
Sweden n 305 14 15 2 29
F/FR: Formaldehyde/formaldehyde releasers (Quaternium-15, diazolidinylurea); MCI/MI, and methylchloroisothiazolinone/methylisothiazolinone; * solely positive to F/FR or MCI/MI, respectively; ** positive to both F/FR and MCI/MI; p>0.05, when comparing Sweden and Lithuania
Table 4: Contact allergy to the preservatives of interest among patients with atopic dermatitis in Lithuania and Sweden.