Comparative Results of “Epi-Off” Conventional versus “Epi-Off” Accelerated Cross-Linking Procedure at 5-year Follow-Up

Table 4

Abberometric parameter evolution in both groups.

Parameter		S-CXL	value compared to baseline	A-CXL	value compared to baseline	value between groups
HOA	Preoperative	8.383 ± 3.81		8.962 ± 2.93		0.2785
	1 year	7.745 ± 3.65	0.0244	8.311 ± 3.16	0.018	0.28
	2 years	7.733 ± 3.64	0.0236	8.224 ± 3.43	0.0122	0.3617
	3 years	7.719 ± 3.65	0.0226	8.164 ± 3.38	0.0099	0.3992
	4 years	7.709 ± 3.65	0.0219	7.998 ± 3.21	0.0086	0.3881
	5 years	7.706 ± 3.65	0.0217	7.989 ± 3.03	0.0067	0.3151
RMS	Preoperative	193.823 ± 16.63		195.142 ± 14.1		0.584
	1 year	187.370 ± 16.78	0.0092	193.120 ± 13.75	0.0372	0.175
	2 years	186.374 ± 16.73	0.0027	192.820 ± 13.52	0.0305	0.177
	3 years	185.373 ± 16.68	0.0007	192.670 ± 13.74	0.0275	0.269
	4 years	185.186 ± 16.71	0.0005	192.446 ± 13.66	0.0206	0.22
	5 years	185.075 ± 16.73	0.0004	192.388 ± 13.7	0.019	0.118