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Table 2 Optic coherence tomography parameters of the patients

From: New marker for the detection of pre-retinopathy in patients with type 1 diabetes mellitus: systemic immuno-inflammation index

 

Case Group (n = 33)

Control Group (n = 31)

p value

Central macular thickness (µm)

239.9 ± 26.8

232.4 ± 15.6

0.1722

Average Parafoveal retinal thickness (µm)

333.3 ± 106.5

311.0 ± 10.0

0.2502

Average Perifoveal retinal thickness (µm)

279.9 ± 18.5

273.8 ± 10.8

0.1102

Central VD*

20.5 ± 5.0

19.4 ± 4.6

0.3622

Superior VD*

44.5 ± 4.3

44.6 ± 8.1

0.9352

Temporal VD*

44.4 ± 4.1

45.8 ± 3.1

0.1122

Inferior VD*

43.4 ± 4.3

44.9 ± 3.7

0.1292

Nasal VD*

43.8 ± 3.5

44.4 ± 3.3

0.4522

FAZ area (mm2) **

322.8 ± 186.1

277.9 ± 105.8

0.2372

Central Choroidal Thickness (µm)

307.6 ± 61.2

296.8 ± 72.8

0.5242

Nasal Choroidal Thickness (µm)

310.7 ± 62.6

279.9 ± 69.1

0.0672

Temporal Choroidal Thickness (µm)

299.9 ± 65.9

277.8 ± 73.4

0.2092

Inferior RNFL (µm) ***

138.7 ± 14.7

144.9 ± 16.4

0.1162

Superior RNFL (µm) ***

128.4 ± 16.9

136.7 ± 15.7

0.0462

Nasal RNFL (µm) ***

83.9 ± 13.4

88.2 ± 14.8

0.2272

Temporal RNFL (µm) ***

84.7 ± 13.7

84.0 ± 10.5

0.8082

Mean (µm) RNFL***

108.9 ± 7.7

113.4 ± 9.7

0.0452

Average Parafoveal GCC thickness (µm) ****

117.3 ± 6.9

121.5 ± 10.9

0.0682

Average Perifoveal GCC thickness (µm) *****

105.2 ± 7.3

110.6 ± 8.6

0.0092

  1. *VD: Vascular density, **FAZ: Foveal avascular zone ***RNFL: Retinal nerve fiber layer, ****Ganglion cell complex, 1 : chi square test, 2 : t test