One-year evaluation of rotational stability and visual outcomes following horizontal, vertical, and oblique implantation of ICL V4c

Table 5 Logistic regression analysis of factors for rotation > 5° in ICL groups^a

Parameter	Horizontal Group		Vertical Group		Oblique Group
Parameter	Coefficient	P value	Coefficient	P value	Coefficient	P value
Intercept	-2.684	0.937	-18.906	0.603	-8.422	0.711
Endothelial cell count (/mm2)	0.000	0.930	0.003	0.243	0.000	0.924
Anterior chamber volume (mm3)	0.013	0.624	0.006	0.840	-0.013	0.464
Anterior chamber depth (mm)	-3.174	0.385	-0.718	0.802	1.491	0.442
Axial length (mm)	-0.240	0.471	-0.007	0.988	0.204	0.393
White-to-white distance (mm)	2.298	0.122	1.052	0.398	2.707	0.008
Preoperative IOP (mm Hg)	-0.011	0.952	0.011	0.955	-0.057	0.645
K-flat (D)	0.578	0.360	1.263	0.103	0.631	0.195
K-steep (D)	-0.746	0.127	-1.135	0.070	-0.711	0.084
ICL size (mm)	1.786	0.371	-0.987	0.599	-0.929	0.503
Postoperative IOP (mmHg)	0.037	0.843	-0.090	0.659	-0.040	0.785
Vault (µm)	0.000	0.981	0.003	0.231	0.000	0.898
Angle-STS (mm)	-2.326	0.201	0.441	0.786	-1.285	0.261

K = keratometry; D = diopters; Angle-STS = sulcus-to-sulcus distance calculated along the ICL orientation axis postoperatively (mm); ICL = Implantable Collamer Lens (STAAR Surgical); IOP = intraocular pressure
^a Logistic regression analysis with full model, showing regression coefficients and p-values; coefficients with p < 0.05 are indicated in bold

ISSN: 1471-2415