Table 5.
Associations between OCT Angiography Metrics and Presence versus Absence of Diabetic Retinopathy in the Periphery
| Slab | Adjusted for Age and Sex |
Adjusted for Age, Sex, Hypertension, Smoking Status, and Refractive Error |
||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| C0 | I1 | I2 | N1 | N2 | S1 | S2 | T1 | T2 | C0 | I1 | I2 | N1 | N2 | S1 | S2 | T1 | T2 | |
| Nerve fiber layer vascular plexus | ||||||||||||||||||
| Reference | –0.004 | 0.015 | 0.112 | 0.017 | 0.070 | 0.021 | 0.126 | 0.020 | 0.033 | 0.006 | 0.024 | 0.120 | 0.028 | 0.078 | 0.031 | 0.134 | 0.031 | 0.043 |
| Comparison | –0.004 | –0.004 | –0.005 | –0.011 | –0.017 | –0.004 | –0.006 | –0.009 | –0.010 | –0.003 | –0.003 | –0.008 | –0.009 | –0.019 | –0.007 | –0.022 | –0.010 | –0.011 |
| P value | 0.730 | 0.780 | 0.680 | 0.420 | 0.200 | 0.770 | 0.650 | 0.500 | 0.450 | 0.790 | 0.850 | 0.560 | 0.520 | 0.190 | 0.610 | 0.120 | 0.500 | 0.420 |
| Superficial vascular complex | ||||||||||||||||||
| Reference | 0.071 | 0.301 | 0.376 | 0.300 | 0.375 | 0.319 | 0.367 | 0.275 | 0.342 | 0.080 | 0.307 | 0.383 | 0.307 | 0.382 | 0.327 | 0.373 | 0.283 | 0.349 |
| Comparison | –0.009 | –0.004 | –0.006 | 0.001 | –0.006 | –0.005 | –0.030 | –0.010 | –0.036 | –0.014 | –0.001 | –0.015 | 0.011 | –0.005 | –0.011 | –0.044 | –0.013 | –0.044 |
| P value | 0.650 | 0.800 | 0.740 | 0.970 | 0.760 | 0.790 | 0.098 | 0.600 | 0.048 | 0.530 | 0.950 | 0.450 | 0.590 | 0.810 | 0.570 | 0.028 | 0.520 | 0.027 |
| Deep vascular complex | ||||||||||||||||||
| Reference | 0.248 | 0.453 | 0.453 | 0.454 | 0.467 | 0.462 | 0.446 | 0.447 | 0.472 | 0.276 | 0.482 | 0.481 | 0.482 | 0.495 | 0.490 | 0.473 | 0.476 | 0.501 |
| Comparison | 0.003 | –0.007 | –0.004 | –0.009 | –0.016 | –0.038 | –0.059 | –0.038 | –0.050 | 0.006 | –0.003 | –0.008 | 0.003 | –0.001 | –0.033 | –0.061 | –0.045 | –0.057 |
| P value | 0.860 | 0.720 | 0.820 | 0.640 | 0.390 | 0.045 | 0.002 | 0.047 | 0.009 | 0.780 | 0.880 | 0.710 | 0.890 | 0.950 | 0.110 | 0.004 | 0.034 | 0.007 |
Reference rows indicate the adjusted mean value of the OCT angiography metric in the control group. Comparison rows indicate the estimated difference between the mean for the relevant group (diabetes mellitus and no diabetic retinopathy or diabetic retinopathy) and the control group mean. Comparisons between the control group and diabetes mellitus and diabetic retinopathy group with P < 0.05 appear in boldface.