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Table 3 Inter-rater reliability for discharge data

From: Inter-rater reliability of a national acute stroke register

 

N

Obs.agr. (%)a

Kappa (95 % CI)

AC1 (95 % CI)

Discharge destination

 Discharge destination

111

74.8

0.69 (0.60–0.79)

0.72 (0.63–0.81)

Drug treatment at discharge

 Aspirin (ASA)

110

73.6

0.51 (0.38–0.64)

0.65 (0.54–0.76)

 ADP receptor antagonist

110

99.1

0.94 (0.83–1.00)

0.99 (0.97–1.00)

 Dipyridamole

110

71.0

0.25 (0.10–0.41)

0.65 (0.53–0.76)

 Warfarin

110

96.4

0.85 (0.70–0.99)

0.96 (0.92–0.99)

 Diuretics

110

88.2

0.60 (0.40–0.80)

0.86 (0.79–0.94)

 ACE-inhibitor

110

99.1

0.96 (0.90–1.00)

0.99 (0.97–1.00)

 A2-receptor blocker

110

93.6

0.75 (0.58–0.93)

0.93 (0.87–0.98)

 Beta blocker

110

94.5

0.87 (0.77–0.97)

0.93 (0.88–0.99)

 Calcium channel blocker

109

96.3

0.83 (0.66–0.99)

0.96 (0.92–0.99)

 Statins

110

96.4

0.93 (0.86–1.00)

0.95 (0.93–1.00)

  1. aObserved agreement calculated as concordant answers divided by N