Table 3.

Mean changes (postoperative values–preoperative values) of clinical outcomes in sCXL and aCFXL groups (n = studied eyes).

	sCXL (n = 29)				aCFXL (n = 25)
	Mean ± SD		p-Value vs. Baseline		Mean ± SD		p-Value vs. Baseline
Follow-up (months)	12 months	24 months	12 months	24 months	12 months	24 months	12 months	24 months
Refractive parameters
Corrected distance acuity (logMAR)	−0.03 ± 0.013	−0.04 ± 0.015	0.04	0.02	−0.009 ± 0.004	−0.015 ± 0.005	0.05	0.012
Spherical equivalent (D)	0.38 ± 0.20	1.36 ± 0.53	0.12	0.02	0.6 ± 0.2	1.21 ± 0.37	0.012	0.006
Refractive cylinder magnitude (D)	0.36 ± 0.24	1.39 ± 0.53	0.28	0.02	0.95 ± 0.38	1.35 ± 0.46	0.02	0.014
Topographical parameters
Maximum keratometry (D)	−0.78 ± 0.31	−0.97 ± 0.35	0.034	0.018	−0.99 ± 0.34	−1.1 ± 0.38	0.014	0.014
Mean K (D)	0.49 ± 0.2	0.49 ± 0.23	0.04	0.08	−0.58 ± 0.25	−0.59 ± 0.23	0.04	0.02
Minimum corneal thickness (μm)	−5.8 ± 4.1	−1.0 ± 3.5	0.2	1.0	−6.0 ± 5.5	−1.6 ± 2.9	0.4	1.0
Biomechanical parameters
Corneal hysteresis (mmHg)	1.63 ± 0.5	1.09 ± 0.3	0.004	0.002	2.03 ± 0.78	1.94 ± 0.61	0.002	0.008