Table 1 Univariate predictors of nickel and/or titanium sensitization
From: Symptoms of titanium and nickel allergic sensitization in orthodontic treatment
Variable | Category | Sensitization | p* | V** | OR*** (95% CI) | ||
|---|---|---|---|---|---|---|---|
Absent | Present | ||||||
Sex | Male (0) | N | 66 | 6 | 0.033 | 0.145 | 2.7 (1.1–6.9) |
% | 91.7% | 8.3% | |||||
Female (1) | N | 125 | 31 | ||||
% | 80.1% | 19.9% | |||||
Age | Adolescents (0) | N | 106 | 13 | 0.030 | 0.150 | 2.3 (1.1–4.8) |
% | 89.1% | 10.9% | |||||
Adults (1) | N | 85 | 24 | ||||
% | 78.0% | 22.0% | |||||
Weakened sense of taste | No (0) | N | 188 | 34 | 0.023 | 0.151 | 5.5 (1.1–28.6) |
% | 84.7% | 15.3% | |||||
Yes (1) | N | 3 | 3 | ||||
% | 50.0% | 50.0% | |||||
Weakened sense of smell | No (0) | N | 189 | 34 | 0.031 | 0.178 | 8.3 (1.3–51.8) |
% | 84.8% | 15.2% | |||||
Yes (1) | N | 2 | 3 | ||||
% | 40.0% | 60.0% | |||||
Swelling of tongue and/or face | No (0) | N | 167 | 27 | 0.040 | 0.150 | 2.6 (1.1–6.0) |
% | 86.1% | 13.9% | |||||
Yes (1) | N | 24 | 10 | ||||
% | 70.6% | 29.4% | |||||
Watery eyes | No (0) | N | 175 | 29 | 0.034 | 0.159 | 3.0 (1.2–7.7) |
% | 85.8% | 14.2% | |||||
Yes (1) | N | 16 | 8 | ||||
% | 66.7% | 33.3% | |||||