Comparison of systemic variables in patients with diabetes mellitus with and without sickle cell trait (SCT).

<p>Comparison of systemic variables in patients with diabetes mellitus with and without sickle cell trait (SCT).</p

Interaction of significant risk factors on association between sickle cell trait versus proliferative diabetic retinopathy and/or diabetic macular edema, based on logistic regression analysis.

<p>Interaction of significant risk factors on association between sickle cell trait versus proliferative diabetic retinopathy and/or diabetic macular edema, based on logistic regression analysis.</p

Association between sickle cell trait and the prevalence of proliferative diabetic retinopathy, its complications and/or diabetic macular edema.

<p>Association between sickle cell trait and the prevalence of proliferative diabetic retinopathy, its complications and/or diabetic macular edema.</p

Ocular status of right eyes of patients with diabetes mellitus with and without sickle cell trait.

<p>Ocular status of right eyes of patients with diabetes mellitus with and without sickle cell trait.</p

Demographics of patients with diabetes mellitus with and without sickle cell trait.

<p>Demographics of patients with diabetes mellitus with and without sickle cell trait.</p

Independent, non-derived stereometric parameters of the optic nerve and nerve fiber layer in HIV+ patients compared to HIV-seronegative controls.

<p>HIV+ = subjects who are human immunodeficiency virus (HIV) positive, HIV- = subjects who are HIV negative controls, CD4 = CD4 cell count, SD = standard deviation, RNFL = retinal nerve fiber layer, mm–millimeter.</p><p>*—statistically significant</p><p>Independent, non-derived stereometric parameters of the optic nerve and nerve fiber layer in HIV+ patients compared to HIV-seronegative controls.</p

Baseline characteristics of the four groups.

<p>Baseline characteristics of the four groups.</p

Variability of HRT3 retinal nerve fiber layer cross sectional area by retinal regions among HIV+ and HIV-seronegative patients.

<p>HRT = Heidelberg retina tomography, HIV+ = subjects who are human immunodeficiency virus (HIV) positive, HIV- = subjects who are HIV negative controls, CD4 = CD4 cell count, SD = standard deviation, RNFL = retinal nerve fiber layer, Sup = superior, Inf = inferior.</p><p>*—statistically significant</p><p>Variability of HRT3 retinal nerve fiber layer cross sectional area by retinal regions among HIV+ and HIV-seronegative patients.</p

Regression analyses of HIV status (seronegative vs seropositive) and retinal nerve fiber layers thickness with visual acuity, adjusted for gender.

<p>*Applying Generalized Estimating Equations (GEE); BCVA, best corrected visual acuity; RNFL, retinal nerve fiber layer; ETDRS, Early Treatment Diabetic Retinopathy Study; M1, full-contrast module of white letters presented on a black background; M2, 64% contrast module simulating an environment similar to a dimly lit restaurant; M3, 43% contrast module simulating an environment similar to driving at dusk; G1, full-contrast module of black letters presented on a bright background.</p

Characteristics of each of the CVA modules tested.

<p>CVA, Central Vision Analyzer; MC, Michelson Contrast; Cd/m², Candelas per Meter Squared.</p