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Table 3 DPN risk in different ΔC-peptide quartiles

From: C-peptide is independent associated with diabetic peripheral neuropathy: a community-based study

  Q1 Q2 Q3 Q4 P trend
(≤0.22 nmol/L) (0.23–0.59 nmol/L) (0.60–1.15 nmol/L) (>1.16 nmol/L)
Odds ratio (95% confidence interval) 0.645 (0.191–2.175) 0.110 (0.026–0.466) 0.012 (0.026–0.559) <0.001
P 0.479 0.003 0.007  
  1. Multiple regression analyses and trend test analysis were used. The regression was adjusted for age, sex and diabetes duration, smoking, systolic blood pressure, body mass index, angiotensin-converting enzyme inhibitors/angiotensin receptor blocker, fasting plasma glucose, glycosylated hemoglobin A1c, triglyceride, estimated glomerular filtration rate. ΔC-peptide, 2-hpostprandial C-peptide minus fasting C-peptide