Table 5.
Intra-racial analysis.
| OCT measure | BMI category | AA group | CA group | ||||
|---|---|---|---|---|---|---|---|
| Mean | SD | p-value | Mean | SD | p-value | ||
| AVG G (μm) | Obese | 88.31 | 16.27 | 0.35 | 93.11 | 10.86 | 0.89 |
| Non-Obese | 90.13 | 10.86 | 91.92 | 12.22 | |||
| AVG T (μm) | Obese | 55.97 | 13.62 | 0.05* | 62.35 | 16.80 | 0.69 |
| Non-Obese | 60.47 | 9.99 | 62.63 | 13.47 | |||
| AVG I (μm) | Obese | 114.47 | 21.77 | 0.22 | 120.83 | 17.45 | 0.88 |
| Non-Obese | 118.39 | 16.82 | 119.18 | 21.00 | |||
| AVG N (μm) | Obese | 69.46 | 16.99 | 0.98 | 77.09 | 17.84 | 0.40 |
| Non-Obese | 68.15 | 15.50 | 73.52 | 14.38 | |||
| AVG S (μm) | Obese | 113.69 | 24.75 | 0.74 | 112.32 | 20.08 | 0.59 |
| Non-Obese | 114.00 | 14.32 | 113.97 | 20.81 | |||
| AVG PMB (μm) | Obese | 44.04 | 10.75 | 0.07 | 47.31 | 10.73 | 0.99 |
| Non-Obese | 47.28 | 8.31 | 46.78 | 10.73 | |||
| AVG TMV (mm3) | Obese | 8.17 | 0.51 | 0.60 | 8.48 | 0.48 | 0.30 |
| Non-Obese | 8.48 | 0.48 | 8.24 | 1.17 | |||
| AVG RNFL (mm3) | Obese | 0.74 | 0.14 | 0.06 | 0.82 | 0.13 | 0.32 |
| Non-Obese | 0.78 | 0.12 | 0.84 | 0.12 | |||
| AVG INL (mm3) | Obese | 0.98 | 0.07 | 0.56 | 0.97 | 0.53 | 0.07 |
| Non-Obese | 0.97 | 0.05 | 0.95 | 0.69 | |||
| AVG OPL (mm3) | Obese | 0.77 | 0.05 | 0.47 | 0.78 | 0.05 | 0.45 |
| Non-Obese | 0.78 | 0.05 | 0.80 | 0.12 | |||
| AVG ONL (mm3) | Obese | 1.68 | 0.20 | 0.16 | 1.79 | 0.17 | 0.67 |
| Non-Obese | 1.59 | 0.19 | 1.77 | 0.15 | |||
| AVG PR (mm3) | Obese | 2.16 | 0.30 | 0.25 | 2.21 | 0.05 | 0.53 |
| Non-Obese | 2.21 | 0.05 | 2.17 | 0.28 | |||
| AVG RPE (mm3) | Obese | 0.52 | 0.90 | 0.42 | 0.36 | 0.03 | 0.27 |
| Non-Obese | 0.38 | 0.02 | 0.40 | 0.24 | |||
| AVG GCIPL (mm3) | Obese | 1.79 | 0.26 | 0.35 | 1.81 | 0.20 | 0.57 |
| Non-Obese | 1.81 | 0.19 | 1.84 | 0.17 | |||
μm, micrometer; mm3, cubic millimeter; AA, African American; BMI, body mass index; CA, Caucasian American; T, temporal; I, inferior; S, superior; N, nasal; PMB, papillomacular bundle; TMV, total macular volume; RNFL, retinal nerve fiber layer; INL, internal nuclear layer; OPL, outer plexiform layer; OCT, optical coherence tomography; ONL, outer nuclear layer; PR, photoreceptor; RPE, retinal pigment epithelium; GCIPL, ganglion cell and internal plexiform layer.
Statistically significant, multivariate analysis of co-variance (ANCOVA).