Research Article

Association between Hemoglobin Levels and Diabetic Peripheral Neuropathy in Patients with Type 2 Diabetes: A Cross-Sectional Study Using Electronic Health Records

Table 1

Baseline characteristics of patients in NDPN and DPN groups.

CharacteristicsNDPN
()
DPN
()
value

Male/female626/661117/1070.321
Diabetes duration (years)7.20 ± 6.1510.31 ± 7.48<0.001
Age (years)58.61 ± 11.1666.58 ± 9.92<0.001
BMI (kg/m2)24.39 ± 3.6823.50 ± 3.97<0.001
SBP (mmHg)132.06 ± 20.54134.72 ± 22.250.036
DBP (mmHg)72.44 ± 12.0169.75 ± 12.690.002
PP (mmHg)59.64 ± 18.3564.97 ± 19.44<0.001
TC (mmol/L)4.90 ± 1.364.63 ± 1.330.003
TG (mmol/L)2.45 ± 2.781.88 ± 1.42<0.001
HDL-C (mmol/L)1.17 ± 0.371.16 ± 0.330.580
LDL-C (mmol/L)2.78 ± 1.012.75 ± 0.990.438
FBG (mmol/L)10.68 ± 5.0511.78 ± 5.880.005
HbA1c (%)9.40 ± 2.4810.10 ± 2.67<0.001
Hb (g/L)131.62 ± 18.32118.54 ± 16.91<0.001
RDW (%)13.14 ± 1.2213.25 ± 1.300.417
WBC (×1012/L)6.71 ± 2.357.43 ± 2.98<0.001
Neutrophil count (×109/L)4.49 ± 2.225.40 ± 2.83<0.001
Lymphocyte count (×109/L)1.69 ± 0.681.44 ± 0.58<0.001
NLR3.15 ± 2.704.58 ± 4.23<0.001
PT12.50 ± 1.1813.10 ± 1.96<0.001
APTT31.36 ± 5.7932.94 ± 8.650.031
INR1.03 ± 0.081.07 ± 0.180.002
Fibrinogen (mmol/L)3.54 ± 1.234.45 ± 1.63<0.001
Urinary ACR (mg/g)212.53 ± 23.76432.12 ± 71.36<0.001
Cr (μmol/L)71.11 ± 45.4289.91 ± 58.10<0.001
eGFR (mL/min/1.73 m2)94.28 ± 25.0577.64 ± 28.01<0.001
ABI1.04 ± 0.130.94 ± 0.24<0.001
VPT (V)12.98 ± 4.7536.30 ± 8.91<0.001
VPT >25 V (%)0 (0)224 (100)<0.001
Abnormal pricking sensation662 (51.44)151 (67.41)<0.001
Abnormal nylon monofilament0 (0)20 (8.93)<0.001
Two abnormal DPN screening0 (0)151 (67.41)<0.001
Three abnormal DPN screening0 (0)16 (7.14)<0.001
CHD (%)100 (7.77)38 (16.96)<0.001
CI (%)232 (18.03)72 (32.14)<0.001
HT (%)650 (50.51)144 (64.29)<0.001
DF (%)61 (4.74)53 (23.66)<0.001
PVD (%)90 (6.99)63 (28.13)<0.001
DR (%)145 (11.27)48 (21.43)<0.001
DN (%)427 (33.18)118 (52.68)<0.001

Note: DPN: diabetic peripheral neuropathy; NDPN: no diabetic peripheral neuropathy; BMI: body mass index; SBP: systolic blood pressure; DBP: diastolic blood pressure; PP: pulse pressure; TC: total cholesterol; TG: triglyceride; HDL-C: high-density lipoprotein cholesterol; LDL-C: low-density lipoprotein cholesterol; FBG: fasting blood glucose; HbA1c: glycated hemoglobin A1c; Hb: hemoglobin; RDW: red blood cell distribution width; WBC: white blood cell; NLR: neutrophil to lymphocyte ratio; PT: prothrombin time; APTT: activated partial thrombin time; INR: international normalized ratio; ACR: microalbumin to creatinine ratio; Cr: creatinine; eGFR: estimated glomerular filtration rate; ABI: ankle-brachial index; VPT: vibration perception threshold; CHD: coronary heart disease; CI: cerebral infarction; HT: hypertension; DF: diabetic foot; PVD: peripheral vascular disease; DR: diabetic retinopathy; DN: diabetic nephropathy; continuous variables were presented as mean ± SD and categorical variables as percentage; ; compared with NDPN group.