7SF area UWFA area Ratio (P value)
NNV Eyes with NNV, number 11 21 0.52 (P<0.001)*
Average of NNV, number
(ICC**, P value)
0.23
(0.92,<0.001)
0.48
(0.88, <0.001)
2.09 (P=0.001)†
-
NNP Eyes with NNP, numbers 19 25 1.32 (P<0.001)*
Average of NNP, pixels
(ICC**, P value)
5127.82
(0.88, <0.001)
17542.54
(0.82, <0.001)
2.59 (P=0.002)†
-
*Pearson’s Chi-square test was used to compare detection rates between 7SF and UWFA.
** ICC(Intergrader Correlation Coeffecient) : Pearson’s correalation coefficient was used.
†Paired t-test was used to compare average values between 7SF and UWFA.
SF: Standard Field; UWFA: Ultra-Wide Field Angiography; NNV: Newly Detected Neovascularization; NNP: Newly Detected Non-Perfusion
Table 3: Newly detected neovascularization and non-perfusion.