Table 3:

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

		n	Mean	SD	Median	Min	Max	Paired Wilcoxon Signed-Rank
Variable	Month							Test Months	V-stat	p-value
Corrected Distance Visual Acuity (logMAR)	0	49	0.41	0.33	0.30	0.00	1.70
	12	46	0.32	0.33	0.22	0.00	1.82	0–12	680	0.06741
	24	23	0.32	0.31	0.22	−0.04	1.30	0–24	170	0.16250
Minimum Central Corneal Thickness (μm)	0	49	460.55	36.95	461	379	540
	12	44	454.23	36.60	453.5	373	527	0–12	732	0.00179
	24	23	452.61	42.67	450	370	537	0–24	163	0.10200
Total Wavefront Aberration (RMS Error)	0	38	5.09	4.57	4.22	0.69	27.1
	12	27	3.93	2.31	3.95	0.92	8.87	0–12	249	0.15510
	24	16	4.49	2.50	5.35	0.81	7.93	0–24	64	0.86030
Maximum Keratometry (D)	0	49	61.15	8.76	60.00	46.3	86.1
	12	44	60.01	9.19	58.00	48.3	88.1	0–12	679.5	0.01286
	24	23	59.80	9.04	58.40	46.9	78.9	0–24	209	0.03198
Flat Keratometry (D)	0	49	47.48	4.68	46.30	40.5	63.1
	12	44	47.16	4.96	46.10	40.5	63.0
	24	23	47.23	5.24	46.50	40.3	63.0
Steep Keratometry (D)	0	49	53.01	6.21	51.50	41.5	67.2
	12	44	52.56	6.57	51.25	41.0	71.8
	24	23	52.40	6.13	51.50	41.8	65.4