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Table 1 Baseline clinical and demographic characteristics in the overall study population

From: Intravitreal dexamethasone implant Ozurdex® in naïve and refractory patients with different subtypes of diabetic macular edema

Characteristic

Total (n = 84)

Naïve (n = 29)

Nonnaïve (n = 55)

Pa

Age, years

 Mean (SD)

71.1 (9.2)

73.6 (9.1)

69.7 (9.1)

0.0465

 95% CI

69.1 to 73.1

70.3 to 77.2

69.7 to 76.4

 

HbA1c, (%)

 Mean (SD)

7.6 (0.9)

7.4 (0.9)

7.6 (1.0)

0.2575

 95% CI

7.4 to 7.8

7.1 to 7.8

7.4 to 7.9

 

Sex, n (%)

 Man

58 (69.0)

16 (55.2)

42 (76.4)

0.0471b

 Woman

26 (31.0)

13 (44.8)

13 (23.6)

 

Eye, n (%)

 Right

45 (53.6)

17 (58.6)

28 (50.9)

0.5030b

 Left

39 (46.4)

12 (41.4)

27 (49.1)

 

Type of DME, n (%)

 DRT

20 (23.8)

6 (21.4)

14 (25.5)

 

 CME

41 (48.8)

12 (42.9)

28 (50.9)

0.5089b

 SRD

23 (27.4)

10 (35.7)

13 (23.6)

 

Visual Acuity*

 Mean (SD)

60.8 (14.6)

58.8 (16.4)

61.8 (13.6)

0.4513

 95% CI

57.6 to 63.9

52.6 to 65.0

58.2 to 65.5

 

CMT, μm

 Mean (SD)

448.1 (110.7)

466.2 (189.7)

448.1 (110.7)

0.7348

 95% CI

418.2 to 478.0

394.0 to 538.3

418.2 to 478.3

 

Number of anti-VEGF injections

 Mean (SD)

N.A.

N.A.

7.0 (3.9)

N.A.

 95% CI

  

5.9 to 8.0

 
  1. SD standard deviation, CI confidence interval, DME diabetic macular edema, DRT diffuse retinal thickness, CME cystoid macular edema, SRD Serous retinal detachment, CMT central macular thickness, VEGF vascular endothelial grow factor, NA Not applicable
  2. aMann-Whitney U test (between naïve and non-naïve patients)
  3. bChi-square test
  4. *Letters in the Early Treatment Diabetic Retinopathy Study (ETDRS) charts