Table 6

Kappa measures of agreement



Kappa



Condition
n
All types
Ductal and lobular
Ductal, lobular and tubuloductal
1st/2nd invasive




     Include all
907
0.22
0.23
0.18
     Contralateral breast
653
0.38
0.56
0.47
     <1 year interval
643
0.23
0.19
0.16
     = 1 year interval
264
0.17
0.30
0.24
     Contralateral breast and <1 year interval
416
0.47
0.63
0.54
     Contralateral breast and = 1 year interval
237
0.20
0.40
0.32
In situ/invasive




     Include all
465
0.01
0.18
0.08
     Contralateral breast
153
0.21
0.21
0.17
     <1 year interval
359
0.06
0.28
0.14
     = 1 year interval
106
0.15
0.25
0.22
     Contralateral breast and <1 year interval
93
0.33
0.27
0.21
     Contralateral breast and = 1 year interval
60
0.02
0.13
0.12

Hemminki and Granström Breast Cancer Res 2002 4:R7   doi:10.1186/bcr444

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