Table 1:

Preoperative and postoperative visual and keratometry measurements and results of pairwise Wilcoxon signed-rank tests for full cohort of 57 eyes of 49 patients

Variable	Month	n	Mean	SD	Median	Min	Max	Paired Wilcoxon Signed-Rank
								Test Months	V-stat	p-value
Corrected Distance Visual Acuity (logMAR)	0	57	0.38	0.32	0.30	0	1.70
	12	53	0.29	0.31	0.20	0	1.82	0–12	925	0.03194
	24	24	0.31	0.31	0.20	−0.04	1.30	0–24	191	0.11020
Minimum Central Corneal Thickness (μm)	0	57	461.33	37.76	464	379	540
	12	51	453.82	39.56	451	373	541	0–12	1013	0.00029
	24	24	453.71	42.08	450	370	537	0–24	175.5	0.11490
Total Wavefront Aberration (RMS Error)	0	45	4.59	4.36	3.52	0.69	27.1
	12	32	3.58	2.30	3.23	0.63	8.87	0–12	334	0.19370
	24	17	4.42	2.43	5.15	0.81	7.93	0–24	74	0.92650
Maximum Keratometry (D)	0	57	60.28	8.84	59	46.3	86.1
	12	51	59.14	9.10	57.6	47.9	88.1	0–12	925.5	0.00551
	24	24	59.74	8.84	58.45	46.9	78.9	0–24	225	0.03326
Flat Keratometry (D)	0	57	47.26	4.84	45.7	40.5	63.1
	12	51	46.95	5.08	45.9	39.9	63.0
	24	24	47.15	5.14	46.05	40.3	63.0
Steep Keratometry (D)	0	57	52.50	6.43	51.4	41.4	67.2
	12	51	52.03	6.63	51	41.0	71.8
	24	24	52.28	6.02	51.4	41.8	65.4