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Table 1 Agreement between self-reported and hospitalised stroke

From: Moderate agreement between self-reported stroke and hospital-recorded stroke in two cohorts of Australian women: a validation study

 

1921-26 cohort

1946-52 cohort

   

Hospital-recorded stroke

  

Hospital-recorded stroke

   

Yes

No

Total

  

Yes

No

Total

 

Self-reported stroke

Yes

25

77

102

Self-reported stroke

Yes

11

14

25

  

No

7

1447

1454

 

No

3

2091

2094

  

Total

32

1524

1556

 

Total

14

2105

2119

Agreement measures

    

Prevalence (self-report)

6.6%

 

1.2%

Prevalence (hospital-recorded)

2%

 

0.7%

Sensitivity

78.1%

 

78.6%

Specificity

94.9%

 

99.3%

Positive predictive value

24.5%

 

44.0%

Negative predictive value

99.5%

 

99.9%

Kappa (95% CI)

0.35 (0.25 to 0.46)

 

0.56 (0.37 to 0.75)

Prevalence index

0.91

 

0.98