Spss statistical software for windows version 18

All of the statistical analyses were performed using SPSS statistical software for Windows, version 18.0 (SPSS, Chicago, IL, USA). The BCVA was compared between Groups A and B. The χ² test, Fisher’s exact test, linear by linear association and the independent t-test were used to compare multiple factors between groups. The independent t-test was used for parametric data and the Mann-Whitney U test was used for nonparametric data. The PCO-free survival was analyzed using Kaplan-Meier survival curves and tested using the log-rank test. In all of the analyses, differences were considered significant at a p value < 0.05.

All data were analyzed using SPSS statistical software for Windows, version 18.0 (SPSS, Chicago, IL, USA). The results showed a normal distribution with homogenous variance, expressed as the mean ± standard deviation. We used a single sampling t-test to compare data from the two populations and a one-way analysis of variance. P < 0.05 was considered a statistically significant difference.

The SPSS statistical software for windows version 18.0 (SPSS Inc., Chicago, IL, USA) was used for statistical analyses. The Kolmogorov–Smirnov test was applied to test normality. All data were presented as means ± SD or percentage. Statistical significance was determined using multiple comparisons between the groups performed by a one-way ANOVA, or the Chi-square test (χ²). Spearman’s correlation analysis was used to detect the relationship between vibratory thresholds and IELTs. To estimate the sensitivity value as a severity marker of PE, receiver operating characteristic (ROC) analysis was performed. P < 0.05 was considered statistically significant.

To analyze the differences in repeatabilities according to angiography scan area, the ICC, CV, and CR for two 3 × 3 mm scans and two 6 × 6 mm scans were calculated and compared to each other. Bland–Altman plots were also used in the analyses [16 ]. The average values of the two scans using the VD, PD, and FAZ from each type of scan were compared using the paired t-test. This comparative analysis was performed in the area where the two scan patterns matched, such as the microvascular density of the fovea and inner subfields, and the FAZ metrics.
All statistical analyses were performed using SPSS statistical software for Windows, version 18.0 (SPSS, Chicago, IL, USA) and MedCalc, version 14.8 (MedCalc, Ostend, Belgium). Snellen BCVA results were converted into the logarithm of the minimum angle of resolution value (logMAR). Continuous variables are presented as the mean ± standard deviation. Differences were considered significant at p < 0.05.