Table 3.
Descriptive statistics for gender (16 M = male; 22 F = female) and test t p-value*.
| Gender | Mean | S deviation | S error | p-value** | |
|---|---|---|---|---|---|
| NFL (µm/mm2) | M | 8205.988 | 2126.351 | 381.904 | 0.211 |
| F | 8733.644 | 1500.973 | 226.280 | ||
| NFD (no./mm2) | M | 66.272 | 23.271 | 4.114 | 0.512 |
| F | 69.387 | 17.987 | 2.712 | ||
| NBD (no./mm) | M | 37.067 | 10.105 | 1.786 | 0.933 |
| F | 36.876 | 9.261 | 1.412 | ||
| TC | M | 20.494 | 8.489 | 1.501 | 0.284 |
| F | 22.312 | 6.096 | 0.930 | ||
| Age (years) | M | 36.031 | 16.370 | 2.894 | 0.552 |
| F | 34.227 | 9.866 | 1.487 | ||
| K (D) | M | 43.452 | 1.263 | 0.223 | 0.009 |
| F | 44.281 | 1.382 | 0.208 | ||
| CD (mm) | M | 12.162 | 0.295 | 0.054 | 0.035 |
| F | 11.975 | 0.410 | 0.062 | ||
| CCT(mm) | M | 565.161 | 32.464 | 5.831 | 0.633 |
| F | 561.523 | 32.270 | 4.865 | ||
| Sph (D) | M | − 2.797 | 2.020 | 0.357 | < 0.001 |
| F | − 5.091 | 2.901 | 0.437 | ||
| Cyl (D) | M | − 0.664 | 0.834 | 0.147 | 0.784 |
| F | − 0.716 | 0.793 | 0.120 |
*M male, F female, NFL nerve fiber length (µm/mm2), NFD nerve fiber density (no./mm2), NBD nerve beadings density (no./mm), TC tortuosity coefficient, K corneal curvature (D diopters), CD corneal diameter (mm), CCT corneal thickness (µm), Sph sphere (D diopters), Cyl cylinder (D diopters).
**Bold values denote statistical significance at the p value < 0.05.