Mean choroidal layer thickness in subjects with T2D and controls
| Choroidal thickness, ETDRS (μm) | T2D (n=93 eyes) | Controls (n=34 eyes) | 95% CI | P value |
| MD (µm)±SD | MD (µm)±SD | |||
| Center thickness | 241.3±9.1 | 289.0±15.6 | −83.3 to −12.0 | 0.009 |
| Total volume | 6.2±0.2 | 7.3±0.3 | −2.0 to −0.4 | 0.003 |
| Inner temporal | 235.9±8.2 | 274.8±13.6 | −70.5 to −7.3 | 0.016 |
| Inner superior | 251.3±7.5 | 296.8±14.2 | −76.6 to −14.5 | 0.004 |
| Inner nasal | 229.0±8.3 | 269.6±8.3 | −74.9 to −6.2 | 0.021 |
| Inner inferior | 227.9±9.3 | 270.4±15.4 | −77.9 to −7.1 | 0.019 |
| Outer temporal | 217.1±7.0 | 252.2±11.4 | −61.2 to −9.0 | 0.008 |
| Outer superior | 243.5±7.3 | 292.2±13.5 | −78.0 to −19.3 | 0.001 |
| Outer nasal | 185.1±7.7 | 220.5±14.2 | −66.6 to −4.0 | 0.027 |
| Outer inferior | 208.8±8.5 | 255.0±11.8 | −74.6 to −17.6 | 0.002 |
| Average thickness | 219.3±7.3 | 260.8±12.2 | −69.0 to −13.9 | 0.003 |
Significant values in bold.
ETDRS, Early Treatment Diagnostic Retinopathy Study; MD, Average; T2D, type 2 diabetes.