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Table 2 Agreement between self-reported versus SPT-measured allergen sensitization

From: Factors related to disagreement between self-reported versus objective measurement of allergen sensitization at a tertiary pediatric center in Beijing, China

Sensitized toSPT-measured sensitization (+)SPT-measured sensitization (+)SPT-measured sensitization (−)SPT-measured sensitization (−)Kappa (95% CI)Strength of agreementa
Self-reported sensitization (+)Self-reported sensitization (−)Self-reported sensitization (+)Self-reported sensitization (−)
n%n%n%n%
≥1 allergen8137.73415.84520.95525.60.256(0.122–0.390)Fair
Mites13964.7157.02511.63616.70.518(0.381–0.643)Moderate
Grass pollen mix10548.83214.93817.74018.60.451(0.321–0.570)Moderate
Molds4621.43918.1309.310046.50.316(0.188–0.445)Fair
Cockroach3214.92712.63616.712055.80.297(0.155–0.437)Fair
Pet dander5827.07434.33616.74721.90.005(−0.115–0.133)Poor
  1. a Level of agreement between questionnaire-based and SPT-measured allergen sensitization was quantified using Cohen’s Kappa coefficient, which are often interpreted as: > 0.80 (very good agreement), 0.61–0.80 (good), 0.41–0.60 (moderate), 0.21–0.40 (fair), and < 0.2 (poor)