Table 1 Overview of patients’ characteristics
From: Vitrectomy for diabetic macular edema and the relevance of external limiting membrane
|  | Intact ELM (n = 8) | Disrupted ELM (n = 11) | P value |
|---|---|---|---|
Age in years (range) | 67 ± 4.2 (60–71) | 70.9 ± 5.1 (64–79) | 0.11a |
HbA1c in % (range) | 6.9 ± 0.9 (5.8–9) | 6.8 ± 0.6 (5.8–7.4) | 0.73a |
BMI in kg/m2 (range) | 28.9 ± 3.8 (23–33) | 28.9 ± 5.1 (21–37) | 0.9b |
Diabetic retinopathy (DR) | |||
 Mild | 0 | 1 |  |
 Moderate | 2 | 3 |  |
 Severe | 3 | 2 |  |
 Proliferative | 3 | 5 |  |
Duration of DME until PPV in months | 37.9 ± 25.3 (12–77) | 44.9 ± 26.9 (5–94) | 0.9b |
Duration of follow up in months | |||
 Preoperative (range) | 30.4 ± 22.1 (6–63) | 31.9 ± 21.6 (3–65) | 0.88a |
 Postoperative (range) | 19.9 ± 9.9 (12–41) | 26.5 ± 8.4 (17–44) | 0.15a |