Changes in Corneal Parameters after DMEK Surgery: A Swept-Source Imaging Analysis at 12-Month Follow-Up Time
Table 3
The correlations between changes in VA, CCT, keratometry, astigmatism, astigmatism asymmetry, and higher-order aberration and baseline values of those parameters.
Correlation
The change of the selected parameter at 1 month as compared to baseline
The change of the selected parameter at 3 months as compared to baseline
The change of the selected parameter at 6 months as compared to baseline
The change of the selected parameter at 12 months as compared to baseline
Baseline BCVA
−0.11
−0.28
−0.19
−0.57
Baseline CCT
−0.90
−0.87
−0.91
−0.91
Baseline mean keratometry
Anterior
3 mm OZ
−0.79
−0.84
−0.81
−0.85
6 mm OZ
−0.72
−0.76
−0.75
−0.78
Posterior
3 mm OZ
−0.86
−0.94
−0.93
−0.92
6 mm OZ
−0.83
−0.87
−0.89
−0.89
Total
3 mm OZ
−0.88
−0.89
−0.87
−0.90
6 mm OZ
−0.86
−0.86
−0.87
−0.86
Baseline mean astigmatism
Anterior
3 mm OZ
−0.46
−0.84
−0.86
−0.70
6 mm OZ
−0.13
−0.59
−0.65
−0.57
Posterior
3 mm OZ
−0.64
−0.83
−0.83
−0.74
6 mm OZ
−0.55
−0.83
−0.84
−0.75
Total
3 mm OZ
−0.52
−0.86
−0.86
−0.78
6 mm OZ
−0.40
−0.76
−0.81
−0.74
Baseline astigmatism asymmetry
Anterior
3 mm OZ
−0.12
−0.14
−0.12
−0.16
6 mm OZ
−0.01
−0.14
+0.05
+0.05
Posterior
3 mm OZ
−0.90
−0.95
−0.92
−0.94
6 mm OZ
−0.92
−0.93
−0.91
−0.94
Total
3 mm OZ
−0.91
−0.92
−0.95
−0.91
6 mm OZ
−0.90
−0.94
−0.96
−0.91
Baseline higher-order aberrations
Anterior
3 mm OZ
−0.84
−0.87
−0.88
−0.97
6 mm OZ
−0.80
−0.92
−0.92
−0.98
Posterior
3 mm OZ
−0.89
−0.93
−0.90
−0.95
6 mm OZ
−0.85
−0.87
−0.85
−0.89
Total
3 mm OZ
−0.83
−0.85
−0.93
−0.98
6 mm OZ
−0.81
−0.94
−0.95
−0.97
The correlations were calculated for 4 consecutive time points, i.e., 1, 3, 6, and 12 months postoperatively. Significant values are shown in bold.