Table 2. Comparison of retinal nerve fiber layer and macular thickness measurements between metabolic syndrome patients and healthy controls.
| OCT parameters | Metabolic Syndrome (n = 113) | Control (n = 118) | P-value * |
|---|---|---|---|
| RNFL (Global, μm) | 93.6 ± 9.9 | 99.0 ± 9.3 | <0.001 |
| RNFL (Superior, μm) | 117.2 ± 16.0 | 126.3 ± 14.4 | <0.001 |
| RNFL (Inferior, μm) | 124.5 ± 17.5 | 131.0 ± 16.4 | 0.002 |
| RNFL (Nasal, μm) | 67.2 ± 10.3 | 67.7 ± 9.5 | 0.70 |
| RNFL (Temporal, μm) | 65.5 ± 10.2 | 69.5 ± 9.8 | 0.002 |
| CMT (μm) | 237.0 ±14.0 | 243.6 ± 18.0 | 0.002 |
| Parafoveal (Global, μm) | 311.5 ± 17.6 | 315.4 ± 14.0 | 0.062 |
| Parafoveal (Superior, μm) | 316.0 ± 19.2 | 319.8 ± 17.2 | 0.2 |
| Parafoveal (Inferior, μm) | 307.8 ± 20.9 | 314.6 ± 14.6 | 0.004 |
| Parafoveal (Nasal, μm) | 318.1 ± 16.3 | 320.3 ± 15.9 | 0.3 |
| Parafoveal (Temporal, μm) | 303.6 ± 17.1 | 306.0 ± 18.9 | 0.32 |
| Perifoveal (Global, μm) | 274.2 ± 28.5 | 279.3 ± 11.9 | 0.07 |
| Perifoveal (Superior, μm) | 278.5 ± 18.5 | 282.6 ± 13.7 | 0.051 |
| Perifoveal (Inferior, μm) | 270.1 ± 18.0 | 270.5 ± 13.0 | 0.84 |
| Perifoveal (Nasal, μm) | 298.1 ± 14.1 | 300.7 ± 17.1 | 0.20 |
| Perifoveal (Temporal, μm) | 260.1 ± 12.8 | 262.0 ± 12.4 | 0.27 |
Data presented as mean ± SD,
* = unpaired t-test,
RNFL = retinal nerve fiber layer, CMT = central macular thickness.