Lower Hemoglobin Concentration Is Associated with Retinal Ischemia and the Severity of Diabetic Retinopathy in Type 2 Diabetes
Table 1
Hematological variables of the study groups according to presence or absence of diabetic retinopathy (DR).
Without DR ()
With DR ()
value
Leukocytes (×109/L)
6670 (5600–7730)
6795 (5685–8035)
0.3765
Hemoglobin (gr/dL)
13.8 (13–14.6)
13.6 (12.8–14.8)
0.5435
Erythrocytes (×1012/L)
4.6 [4.4–5.0]
4.6 [4.4–4.9]
0.9407
Hematocrit (%)
41.10 [39–43.9]
40.95 [38.8–43.25]
0.7114
MCV (fL)
87.8 [85.1–90.5]
87.6 [85.0–90.1]
0.6169
MCH (pg)
29.4 [28.4–30.6]
29.3 [28.0–30.7]
0.4814
MCHC (g/dL)
33.5 [32.8–34.1]
33.4 [32.7–34.3]
0.7543
Fe (g/dL)
78 (63–99)
74 (58–96)
0.2534
Ferritin (ng/mL)
131.2 (55.5–227.8)
98.5 (38–211.9)
0.0624
Data are presented as medians and interquartile ranges. BP: blood pressure, MCV: mean corpuscular volume, MCH: mean corpuscular hemoglobin, and MCHC: mean corpuscular hemoglobin concentration.