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Corneal subbasal nerve parameters in patients and controls.
| Parameters | Control | Preop | 1 m postop | 3 m postop | F | P value |
|---|---|---|---|---|---|---|
| Nerve trunks (n/frame) | 2.981 ± 0.1058 | 2.322 ± 0.1422## | 2.496 ± 0.1553# | 2.337 ± 0.1954## | 1.05 | 0.35 |
| Nerve branches (n/frame) | 9.440 ± 0.5790 | 7.936 ± 0.2876# | 7.905 ± 0.3373# | 7.867 ± 0.3539# | 0.02 | 0.98 |
| Nerve tortuosity | 2.995 ± 0.1645 | 3.023 ± 0.1271 | 3.017 ± 0.09255 | 3.089 ± 0.1250 | 0.21 | 0.80 |
# P < 0.05 compared with controls, ##P < 0.01 compared with controls.
