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

Table 2 Multiple regression analyses with the dependent variable of DPN and independent variable of C-peptide

	Model¹		Model²
	Odds ratio (95% confidence interval)	P	Odds ratio (95% confidence interval)	P
Fasting C-peptide	0.457 (0.234–0.892)	0.022	0.392 (0.170–0.903)	0.028
2 h-postprandial C-peptide	0.749 (0.621–0.904)	0.003	0.712 (0.556–0.913)	0.007
ΔC-peptide	0.733 (0.592–0.908)	0.004	0.717 (0.548–0.939)	0.016

Model ¹ adjusted for age, sex and diabetes duration
Model ² 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

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