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.