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Table 13 Inter-grader agreement (left eye)

From: Grading fluorescein angiograms in malarial retinopathy

Variable Number with data for comparison Frequency of feature (grader 1) Observed agreement between graders (%)
Macular CNP 248 266/268 74.9
Peripheral CNP 264 263/278 80.40
Punctate focal leak 273 77/281 89.10
Disc leak 278 237/283 82.73
Post capillary venule leak 273 115/275 84.25
Large venule leak 279 88/280 71.92
Large focal leaka 285 34/285 95.95
Capillary IVFD 212 62/220 59.91
Post-capillary venule unit IVFD 231 212/237 75.32
Pre-capillary arteriole unit IVFD 235 52/243 67.23
Small venule IVFD 265 240/267 84.91
Small arteriole IVFD 263 55/267 57.79
Large venule IVFD 265 167/268 69.43
Large arteriole IVFD 264 32/268 59.47
  1. CNP capillary non-perfusion, IVFD intravascular filling defects
  2. aLarge focal leak is a count variable with skewed distribution. Agreement estimated for categories “absent”, “1 site of leak”, “>1 site of leak”