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Table 6 Classification agreement across age and sex groups in the testing sample

From: Using heart rate profiles during sleep as a biomarker of depression

 

Group

Cohen’s kappa (κ)a

n

95% CI

p

Sex

Female

0.60

99

0.44 to 0.75

<.001

Male

0.60

75

0.42 to 0.78

<.001

Age Group

18–35

0.56

47

0.32 to 0.80

<.001

36–50

0.72

71

0.54 to 0.89

<.001

51–71

0.41

56

0.17 to 0.65

.002

  1. aConcordance between heart rate-based classification and diagnoses documented from medical records
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BMC Psychiatry

ISSN: 1471-244X

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