Table 3

Repeatability estimates of macular vessel density measurements

Vessel densityICCSw (%)CRw (%)CVw (%)
NormalGlaucomaNormalGlaucomaNormalGlaucomaNormalGlaucoma
Whole enface macula0.87 (0.78 to 0.92)0.90 (0.83 to 0.94)1.5 (1.3 to 1.7)1.6 (1.3 to 1.9)4.1 (3.5 to 4.8)4.3 (3.7 to 5.1)3.3 (2.3 to 4.1)3.7 (2.9 to 4.3)
Parafovea0.87 (0.78 to 0.92)0.87 (0.79 to 0.93)1.6 (1.3 to 1.9)1.8 (1.6 to 2.2)4.4 (3.7 to 5.1)5.1 (4.3 to 6.0)3.4 (2.4 to 4.1)4.1 (3.1 to 4.9)
 Temporal0.81 (0.70 to 0.89)0.86 (0.76 to 0.92)1.9 (1.6 to 2.3)2.0 (1.7 to 2.4)5.3 (4.5 to 6.3)5.7 (4.8 to 6.7)4.2 (3.0 to 5.2)4.6 (3.7 to 5.3)
 Superior0.84 (0.74 to 0.91)0.85 (0.75 to 0.91)1.8 (1.5 to 2.1)2.1 (1.8 to 2.5)4.9 (4.2 to 5.8)5.9 (5.0 to 7.0)3.7 (2.8 to 4.5)4.7 (3.8 to 5.4)
 Nasal0.80 (0.69 to  0.88)0.75 (0.62 to 0.85)1.9 (1.6 to 2.3)2.5 (2.1 to 3.0)5.4 (4.5 to 6.3)6.9 (5.9 to 8.2)4.2 (3.1 to 5.0)5.6 (3.2 to 7.3)
 Inferior0.82 (0.71 to 0.89)0.86 (0.77 to 0.92)2.2 (1.8 to 2.6)2.2 (1.9 to 2.6)6.0 (5.1 to  7.1)6.1 (5.2 to  7.2)4.7 (2.6 to 6.1)5.0 (4.0 to 5.8)
  • Figures in parenthesis represent 95% CIs.

  • CRw, coefficient of repeatability; CVw, coefficient of variation; ICC, intraclass correlation coefficient; Sw, within-subject SD.