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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”