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Table 2 Sensitivity and Specificity of Self-report Compared to Administrative Data for Overnight Hospitalization and Physician Visits (n = 352)

From: Health service utilization in IBD: comparison of self-report and administrative data

Hospitalization Admin Data   Sensitivity Specificity
   Yes No Subtotal   
Self-report Yes 48 11 59 92% 96%
  No 4 289 293   
  Subtotal 52 300    
Hospitalization Admin Data   Sensitivity Specificity
IBD-related Yes No Subtotal   
Self-report Yes 28 10 38 82% 97%
  No 6 308 314   
  Subtotal 34 318    
Physician Visit Admin Data   Sensitivity Specificity
   Yes No Subtotal   
Self-report Yes 336 5 341 98% 50%
  No 6 5 11   
  Subtotal 342 10    
Physician Visit IBD-related Admin Data   Sensitivity Specificity
   Yes No Subtotal   
Self-report Yes 213 40 253 88% 63%
  No 30 69 99   
  Subtotal 243 109