Table 1

Factors associated with painful diabetic neuropathy

Painful diabetic neuropathy
VariablesNo
n (%)
Yes
n (%)
χ2p Value
Gender4.520.034
 Female235 (53.9)121 (63.0)
 Male201 (46.1) 71 (37.0)
Educational level1.380.241
 ≤Primary336 (77.1)156 (81.2)
 ≥Secondary100 (22.9) 36 (18.8)
Age (years)2.420.299
 <65122 (28.1) 44 (22.9)
 ≥65312 (71.9)148 (77.1)
Duration of diabetes (years) (n=590)*0.700.402
 <10217 (53.2) 90 (49.5)
 >10191 (46.8) 92 (50.5)
Smoking habit0.420.515
 Never or formerly322 (73.9)137 (71.4)
 Current users114 (26.1) 55 (28.6)
Exercise4.040.045
 Often (ie, regular)240 (55.0) 89 (46.4)
 Not often (ie, irregular)196 (45.0)103 (53.6)
MNSI (n=612)*7.870.005
 ≤2208 (48.8)68 (36.6)
 >2218 (51.2)118 (63.4)
ABI (n=616)*18.76<0.001
 ≥0.9387 (90.6)147 (77.8)
 <0.9 40 (9.4)42 (22.2)
Systolic blood pressure (n=623)*
 ≤130 mm Hg141 (32.6) 51 (26.7)2.190.139
 >130 mm Hg291 (67.4)140 (73.3)
Diastolic blood pressure (n=623)*2.410.121
 ≤85 mm Hg339 (78.5)139 (72.8)
 >85 mm Hg93 (21.5)52 (27.2)
Waist circumference (cm)† (n=614)*0.280.869
 Normal113 (26.5) 53 (28.3)
 Abnormal314 (73.5)134 (71.7)
HbA1C (%) (n=457)*0.130.721
 ≤7.0125 (38.8) 50 (37.0)
 >7.0197 (61.2) 85 (63.0)
Fasting blood glucose (n=499)*0.560.454
 ≤126 mg/dL121 (35.4) 61 (38.9)
 >126 mg/dL221 (64.6) 96 (61.1)
Total cholesterol (n=411)*0.250.618
 ≤200 mg/dL183 (64.7) 86 (67.2)
 >200 mg/dL100 (35.3) 42 (32.8)
Triglyceride (n=437)*4.790.029
 ≤150 mg/dL192 (63.4) 70 (52.2)
 >150 mg/dL111 (36.6) 64 (47.8)
  • ABI, ankle brachial index; HbA1C, glycohaemoglobin; MNSI, Michigan neuropathy screening index;

  • *Missing data.

  • †Normal: male ≤90 cm, female ≤80 cm; abnormal: male >90 cm, female >80 cm.