Intergrader Reliability Statistics for COMS gradings

Feature

Intragrader kappa by grader

Intergrader kappa

RB/RB (N=148)

CH/CH
(N=99)

CH/RB
(N=127)

Macular:

 

 

 

Retinal hemorrhage

0.84

0.72

0.77

Subretinal hemorrhage

0.77

0.76

0.61

Preretinal hemorrhage

0.83

0.74

0.60

Vitreous hemorrhage

0.81

1.00

0.65

Vascular sheathing

0.77

0.72

0.66

Cotton wool spots

0.77

0.62

0.67

Hard exudates

0.81

0.75

0.66

Microaneurysms

0.81

0.66

0.55

Capillary nonperfusion

0.79

0.75

0.69

Macular edema

0.73

0.77

0.63

Telangiectasia

0.65

0.64

0.62

Laser scars

0.85

0.69

0.49

Foveal RPE atrophy

0.83

0.73

0.59

Retinal detachment

0.71

0.60

0.46

Other disease

0.55

-0.01

0.27

Peripapillary:

 

 

 

Retinal hemorrhage

0.86

0.76

0.79

Subretinal hemorrhage

0.87

0.66

0.83

Preretinal hemorrhage

0.88

0.85

0.79

Vitreous hemorrhage

0.81

1.00

0.65

Optic disc hemorrhage

0.77

0.94

0.72

Vascular sheathing

0.74

0.84

0.62

Cotton wool spots

0.84

0.79

0.65

Hard exudates

0.80

0.65

0.82

Telangiectasia

0.71

0.78

0.58

Disc neovascularization

0.80

0.61

0.54

Optic disc edema

0.91

0.57

0.65

Optic disc pallor

0.78

0.65

0.64

Optic disc hyperfluorescence

0.82

0.71

0.80

Microaneurysms

0.73

0.76

0.61

Capillary nonperfusion

0.79

0.84

0.77

Laser scars

0.83

0.48

0.30

Other disease

0.54

0.00

0.23

back to COMS index

last updated: 07-03-2006