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Table 2 Rates and hazard ratios of allergic disease KD cohort compared to patients in comparison cohort during the 5-year follow-up period

From: Kawasaki disease and subsequent risk of allergic diseases: a population-based matched cohort study

  Comparison patients (n = 1012) KD patients (n = 253)
Allergic disease   
 Yes 472 148
 Person time (years) 3776.39 801.46
 Incidencea 124.99 184.66
 Crude HR (95% CI) 1.00 1.57 (1.20-1.92)
 Adjusted HR (95% CI)b 1.00 1.52 (1.24-1.86)
Asthma   
 Yes 269 89
 Person time (years) 4325.12 997.73
 Incidencea 62.19 89.20
 Crude HR (95% CI) 1.00 1.49 (1.16-1.92)
 Adjusted HR (95% CI)b 1.00 1.51 (1.17-1.95)
Allergic rhinitis   
 Yes 388 119
 Person time (years) 4064.97 922.37
 Incidencea 95.45 129.02
 Crude HR (95% CI) 1.00 1.39 (1.12-1.72)
 Adjusted HR (95% CI)b 1.00 1.30 (1.04-1.62)
  1. a per 1000 person-years.
  2. b Adjustments are made for age, gender, and number of physician visits.