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Table 5 Agreement (Cohen's Kappa coefficients) between patient-, parent- and physician rated GIPD total scores, by ADHD subtype

From: Atomoxetine treatment and ADHD-related difficulties as assessed by adolescent patients, their parents and physicians

  Agreement between
  Physician and parent Patient and parent Patient and physician
ADHD subtype N Kappa 95% CI N Kappa 95% CI N Kappa 95% CI
All          
   Week 0 153 0.533 0.451 – 0.615 153 0.221 0.132 – 0.310 154 0.186 0.112 – 0.259
   Week 2 128 0.550 0.460 – 0.641 127 0.359 0.257 – 0.461 147 0.391 0.294 – 0.489
   Week 8 112 0.538 0.443 – 0.633 111 0.318 0.205 – 0.432 126 0.385 0.284 – 0.485
   Week 24 104 0.639 0.552 – 0.725 103 0.363 0.255 – 0.471 111 0.425 0.319 – 0.532
Combined type          
   Week 0 79 0.504 0.382 – 0.626 78 0.155 0.041 – 0.270 78 0.131 0.045 – 0.216
   Week 2 68 0.509 0.375 – 0.644 67 0.313 0.184 – 0.442 74 0.411 0.287 – 0.534
   Week 8 61 0.454 0.306 – 0.602 62 0.222 0.081 – 0.362 66 0.347 0.209 – 0.484
   Week 24 55 0.662 0.529 – 0.795 55 0.382 0.237 – 0.527 57 0.402 0.267 – 0.536
Predom. inattentive type          
   Week 0 69 0.551 0.439 – 0.663 70 0.280 0.142 – 0.419 71 0.237 0.113 – 0.360
   Week 2 55 0.556 0.437 – 0.674 55 0.399 0.235 – 0.562 68 0.339 0.190 – 0.489
   Week 8 48 0.631 0.511 – 0.751 46 0.434 0.250 – 0.619 56 0.419 0.270 – 0.568
   Week 24 45 0.609 0.499 – 0.720 44 0.320 0.159 – 0.481 50 0.438 0.263 – 0.613
  1. Patient and physician ratings based on LOCF (Last Observation Carried Forward), parent ratings are for LOCF-BR (LOCF, Baseline Rater: Values not rated by the same individual both at baseline and later on (e. g., father rated at baseline, mother rated later) were replaced by the last value from the baseline rater (if present), otherwise the value was deleted.
  2. CI = Confidence Interval