Table 2 OCT and mfERG measures stratified according to HbA1c.

From: Early retinal functional alteration in relation to diabetes duration in patients with type 2 diabetes without diabetic retinopathy

OCT thickness measures

HbA1c < 7, n = 28

HbA1c ≥ 7.0, n = 57

p-values

Mean

SD

Mean

SD

Fovea

237.93

18.403

239.16

21.115

0.848

Inner superior

311.54

17.698

312.68

23.181

0.653

Inner inferior

307.75

19.946

311.33

22.543

0.531

Inner temporal

299.39

16.024

301.84

26.265

0.64

Inner nasal

312.96

18.761

311.61

24.889

0.786

Outer superior

270.36

12.734

274.63

21.583

0.674

Outer inferior

259.82

13.768

263.47

14.732

0.379

Outer temporal

255.54

13.254

256.75

25.057

0.885

Outer nasal

289.64

19.097

293.71

20.706

0.439

Cube avg. thickness

271.25

13.25

274.42

16.22

0.51

Average RNFL

92.85

9.51

90.94

9.443

0.292

Average GCL + IPL

79.81

6.52

79.87

8.01

0.94

mfERG measures

meanP1 amp ring 12

25.711

9.761

25.052

10.473

0.702

meanP1 amp ring 34

16.253

6.496

15.249

6.455

0.371

meanP1 amp ring 56

12.361

5.511

11.916

5.259

0.571

meanP1 lat ring 12

31.092

2.361

31.761

2.683

0.183

meanP1 lat ring 34

30.024

1.944

30.170

2.126

0.436

meanP1 lat ring 56

30.154

1.737

30.404

1.711

0.328

  1. Latencies expressed as milliseconds; amplitude assessed as response density, nV/deg2.
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