Skip to main content

Table 1 Univariate predictors of nickel and/or titanium sensitization

From: Symptoms of titanium and nickel allergic sensitization in orthodontic treatment

VariableCategory Sensitizationp*V**OR*** (95% CI)
AbsentPresent
SexMale (0)N6660.0330.1452.7 (1.1–6.9)
%91.7%8.3%
Female (1)N12531
%80.1%19.9%
AgeAdolescents (0)N106130.0300.1502.3 (1.1–4.8)
%89.1%10.9%
Adults (1)N8524
%78.0%22.0%
Weakened sense of tasteNo (0)N188340.0230.1515.5 (1.1–28.6)
%84.7%15.3%
Yes (1)N33
%50.0%50.0%
Weakened sense of smellNo (0)N189340.0310.1788.3 (1.3–51.8)
%84.8%15.2%
Yes (1)N23
%40.0%60.0%
Swelling of tongue and/or faceNo (0)N167270.0400.1502.6 (1.1–6.0)
%86.1%13.9%
Yes (1)N2410
%70.6%29.4%
Watery eyesNo (0)N175290.0340.1593.0 (1.2–7.7)
%85.8%14.2%
Yes (1)N168
%66.7%33.3%
  1. *Fisher’s exact test
  2. **Effect size
  3. ***Odds ratio