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. 2016 Jul 27;11(7):e0159911. doi: 10.1371/journal.pone.0159911

Table 2. Peripapillary and Perifoveal Retinal Perfusion in two Groups.

Variables Non tessellated group Tessellated group P Value*
(N = 35) (N = 35)
Peripapillary Perfusion
    RNFL flow index 0.061 ± 0.007 (0.045 to 0.077) 0.055 ± 0.009 (0.037 to 0.074) 0.006
    RNFL vessel density (%) 65.9 ± 5.2 (51 to 73) 61.8 ± 7.3 (43 to 74) 0.010
    Retinal flow index 0.092 ± 0.008 (0.080 to 0.114) 0.086 ± 0.010 (0.067 to 0.108) 0.012
    Retinal vessel density (%) 86.4 ± 3.7 (80 to 92) 83.7 ± 5.0 (71 to 93) 0.018
Perifovea Perfusion
    Superficial flow index 0.028 ± 0.006 (0.016 to 0.043) 0.028 ± 0.006 (0.016 to 0.041) 0.711
    Superficial vessel density (%) 33.1 ± 6.9 (20 to 48) 34.0 ± 6.5 (20 to 48) 0.646
    Retinal flow index 0.060 ± 0.007 (0.046 to 0.077) 0.062 ± 0.008 (0.044 to 0.081) 0.256
    Retinal vessel density (%) 67.5 ± 5.8 (56 to 78) 68.8 ± 6.3 (55 to 80) 0.234

RNFL = retinal nerve fiber layer. Numbers displayed are mean ± standard deviation (range).

* Differences between groups were tested with the Kruscal-Wallis test.