Research Article

Neurodegeneration in Patients with Type 2 Diabetes Mellitus without Diabetic Retinopathy

Table 2

Structural measurements obtained with Spectralis OCT in healthy controls and patients with type 2 diabetes mellitus (DM2) without diabetic retinopathy.

Peripapillary measurementsHealthyDM2
Mean (±SD)Mean (±SD)

RNFL Glaucoma
Average102.30 (±9.22)95.93 (±12.10)0.002
Superior123.42 (±16.58)118.98 (±19.37)0.180
Nasal75.92 (±15.29)72.48 (±14.84)0.214
Inferior135.50 (±17.01)123.85 (±18.91)0.001
Temporal74.17 (±15.58)68.22 (±9.73)0.013
Superotemporal137.27 (±16.77)132.10 (±21.76)0.148
Inferotemporal149.85 (±21.17)135.10 (±20.44)<0.001
Superonasal109.57 (±22.76)105.85 (±22.89)0.374
Inferonasal121.15 (±24.61)112.60 (±23.81)0.055

RNFL Axonal Analytics
Average103.69 (±9.55)97.12 (±12.29)0.001
Superior125.63 (±17.02)120.18 (±18.95)0.102
Nasal77.98 (±14.18)74.27 (±15.38)0.173
Inferior136.97 (±17.41)125.50 (±20.14)0.001
Temporal73.98 (±13.33)68.42 (±10.96)0.014
Superonasal112.59 (±22.79)107.53 (±21.35)0.214
Inferonasal123.68 (±23.26)114.65 (±24.80)0.043
Superotemporal138.66 (±18.20)132.82 (±22.22)0.120
Inferotemporal150.27 (±22.38)136.35 (±21.08)0.001
Papillomacular bundle58.10 (±10.50)53.27 (±8.31)0.006
Nasal/temporal index1.10 (±0.32)1.11 (±0.29)0.793

Bold letters indicate . Asterisks mark significant values according to Bonferroni corrections for multiple comparisons. DM2, type 2 diabetes mellitus; RNFL: retinal nerve fiber layer; SD, standard deviation.