Table 2.

Corneal Nerve Parameters in Healthy Controls and Patients with Diabetes at Baseline and Follow-Up

	Controls Baseline	Controls Follow-Up	P Value	Patients Baseline	Patients Follow-Up	P Value
CNFD (no/mm2)	31.37 ± 5.31	31.02 ± 5.4	0.9	27.12 ± 8.2†	25.43 ± 7.11	0.2
CNBD (no/mm2)	87.53 ± 29.69	68.49 ± 24.95	0.02	57.72 ± 30.08†	44.04 ± 23.69	0.02
CNFL (mm/mm2)	26.07 ± 6.42	21.08 ± 4.52	0.01	21.77 ± 5.19*	15.65 ± 4.7	<0.0001
IWL (mm/mm2)	33.6 ± 10.11	29.79 ± 8.93	0.1	24.69 ± 8.67†	14.23 ± 6.13	<0.0001
ANFL (mm/mm2)	31.04 ± 6.54	26.11 ± 8.02	0.01	23.26 ± 5.53‡	15.09 ± 4.48	<0.0001

All data are presented as mean ± SD.

^* P < 0.05 compared with controls baseline.

^† P < 0.01 compared with controls baseline.

^‡ P < 0.0001 compared with controls baseline.