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Table 2 Frequency and degree of agreement (Cohens kappa/κ) between expert and clinician with regard to substance use disorder and anxiety disorder; all diagnoses set and primary diagnoses only (N=250)

From: Diagnosing comorbidity in psychiatric hospital: challenging the validity of administrative registers

 

All diagnoses

Primary diagnoses

  

expert

clin.

   

expert

clin.

  

Na

nb

nc

nd

κ

Na

nb

nc

nd

κ

 

(%)

(%)

   

(%)

(%)

  

Substance use disorder (F10-19)

145

144

45

44

.27*

24

4

22

2

.20*

 

(57)

(18)

   

(2)

(9)

  

Anxiety disorder (F40-41)

124

122

17

15

.12*

4

3

2

1

.39*

 

(48)

(7)

   

(1)

(1)

  
  1. Na = number of patients given the diagnosis either by expert or by clinician.
  2. nb = number of patients given the diagnosis by expert.
  3. nc = number of patients given the diagnosis by a clinician.
  4. nd = number of patients given the diagnosis by both expert and clinician.
  5. * P<0.001.