Outcomes of MyoRing Implantation in Eyes with Keratoconus in the Eastern Province of Saudi Arabia: “A Single-Arm Cohort Study”

Table 1

Corneal parameters and refractive status before and 6 months after MyoRing implantation in eyes with keratoconus.

	Before implant		Six months after MyoRing implant		Validity (Wilcoxon )
	Median	IQR	Median	IQR
K1	47.1	45.5; 5.0.0	43.2	40.4; 44.7	0.002
K2	53.0	49.0; 55.6	46.2	44.4; 48.8	0.003
Kmean	50.6	47.54; 52.5	44.5	42.5; 46.8	0.002
Difference of K (K2–K1)	4.8	2.8; 5.8	4.1	2.1; 5.1	0.2
Spherical	−3.3	−4.8; −1.8	0.0	−0.75; 1.5	0.009
Cylinder	−4.0	−4.5; −2.6	−1.6	−2.7; 1.1	0.02
Spherical equivalent (SE)	−5.1	−7.1; −3.6	−0.4	−2.1; 0.75	0.004
Central corneal thickness (CCT) (μm)	448.5	419.8; 470	447.5	416; 460.3	0.26

IQR = interquartile range.