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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