International Journal of Endocrinology

Research Article

A Nomogram Model that Predicts the Risk of Diabetic Nephropathy in Type 2 Diabetes Mellitus Patients: A Retrospective Study

Table 2

Screening out predictive factors for DN incidence risk in patients with T2DM by logistic regression.


Intercept and variable	Logistic regression
Intercept and variable	β-coefficient	Z-value	value	OR	95% CI

Intercept	−4.766	−6.282	<0.001	0.009	0.002–0.035
Gender = male	−0.546	−2.199	0.028	0.579	0.353–0.937
Age = 50–69	−0.415	−1.535	0.125	0.660	0.391–1.131
Age > 69	−0.806	−2.259	0.024	0.447	0.220–0.896
Smoking = yes	0.366	1.262	0.207	1.443	0.817–2.555
Consuming alcohol = yes	0.562	1.932	0.053	1.754	0.993–3.107
Hypertension = yes	0.397	1.965	0.049	1.487	1.001–2.211
Medicine = yes	1.152	3.286	0.001	3.163	1.641–6.538
Diabetes duration = 10–20	0.855	3.965	<0.001	2.350	1.545–3.602
Diabetes duration > 20	0.997	2.161	0.031	2.709	1.070–6.587
BMI = 24–27.99	0.382	1.763	0.078	1.466	0.958–2.245
BMI ≥ 28	0.574	1.993	0.046	1.775	1.002–3.108
HbA1c = 6–6.9	−0.283	−0.501	0.616	0.753	0.256–2.395
HbA1c > 6.9	0.624	1.284	0.199	1.866	0.765–5.234
TC ≥ 6	0.262	0.877	0.380	1.299	0.712–2.303
HDL ≥ 1.0	−0.258	−1.296	0.195	0.772	0.522–1.142
BUN = 3.2–7.5	−0.062	−0.168	0.867	0.940	0.473–2.030
BUN > 7.5	0.958	2.095	0.036	2.608	1.084–6.578
SCr > 115	2.328	7.551	<0.001	10.256	5.655–18.993
UA > 420	−0.461	−1.679	0.093	0.631	0.362–1.066
WBC > 10	0.695	1.636	0.102	2.003	0.851–4.524
N > 7	−0.877	−1.787	0.074	0.416	0.159–1.095
NLR = 1.49–1.99	0.562	1.857	0.063	1.754	0.974–3.206
NLR = 2.00–2.84	0.697	2.352	0.019	2.008	1.131–3.630
NLR > 2.84	0.986	3.047	0.002	2.682	1.428–5.099
RDW = 12.0–12.4	0.370	1.280	0.200	1.447	0.824–2.564
RDW = 12.5–13.0	0.721	2.499	0.012	2.056	1.175–3.648
RDW > 13.0	0.729	2.582	0.009	2.073	1.198–3.633

Note: “∗∗∗”indicates P < 0.001, “∗∗”indicates P < 0.01, “∗” indicates P < 0.05, BMI, body mass indices; HbA1c, glycosylated hemoglobin A1c; TC, total cholesterol; HDL, high‐density lipoprotein cholesterol; BUN, blood urea nitrogen; SCr, serum creatinine; UA, uric acid; WBC, white blood cell; N, neutrophil; NLR, neutrophil to lymphocytes ratio; RDW, red blood cell distribution width.