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Table 1 Repeat evaluation of 77 eyes as compared to the original grade of record for the assessment of key features in evaluation of color photographs for uveitis

From: Morphological assessment of the retina in uveitis

Variable

Exact agreement, number of eyes (%)

Within one step, number of eyes (%)

Kappa (95 % CI)

wKappa (95 % CI)

Presence and extent of chorioretinal lesionsa

60 (78 %)

70 (90.9 %)

0.62 (0.48, 0.76)

0.73 (0.60, 0.87)

Presence of retinal thickeningb

55 (71 %)

69 (89.6 %)

0.54 (0.40, 0.69)

0.69 (0.55, 0.83)

Retinal thickening at centerc

59 (77 %)

68 (88.3 %)

0.60 (0.46, 0.75)

0.71 (0.57, 0.85)

Presence and type of epiretinal membraned

55 (71 %)

71 (92.2 %)

0.62 (0.48, 0.75)

0.78 (0.67, 0.88)

  1. CI confidence interval
  2. aPresence and location of chorioretinal lesions:
  3.  0—Absent
  4.  1—Questionable
  5.  2—Definite, anywhere
  6.  3—Definite, within ETDRS grid
  7.  4—Definite, at center point of the fovea
  8.  8—Cannot grade
  9. bPresence of retinal thickening:
  10.  0—absent
  11.  1—questionable
  12.  2—definite, outside ETDRS grid
  13.  3—definite, within ETDRS grid
  14.  8—cannot grade
  15. cRetinal thickening as center of macula:
  16.  0—absent
  17.  1—questionable
  18.  2—definite, <1× reference
  19.  3—definite, <2× reference
  20.  4—definite, >2× reference
  21.  8—cannot grade
  22. dEpiretinal membrane:
  23.  0—absent
  24.  1—questionable
  25.  2—cellophane reflex
  26.  3—definite, subtle
  27.  4—definite, obvious
  28.  8—cannot grade