The Age-Specific Association of Waist Circumference and Risk of Chronic Kidney Disease in Patients with Type 2 Diabetes Mellitus in Shandong, China
Table 1
Characteristics of the study patients.
Overall ()
CKD− ()
CKD+ ()
Age (yr)
60.3 (9.6)
57.9 (8.7)
62.9 (9.8)
<0.0001
Male sex
348 (40.0%)
180 (38.5%)
168 (41.8%)
0.318
Education (yr)
7.9 (3.2)
8.2 (3.0)
7.5 (3.3)
0.001
Smoker (%)
130 (15.0%)
68 (14.6%)
62 (15.5%)
0.711
Height (cm)
163.6 (7.8)
164.0 (7.7)
163.2 (7.9)
0.113
Weight (kg)
73.3 (14.1)
73.4 (14.4)
73.2 (13.8)
0.877
BMI (kg/m2)
27.3 (4.6)
27.2 (4.8)
27.4 (4.5)
0.493
WC (cm)
98.1 (9.1)
96.9 (8.7)
99.4 (9.4)
<0.0001
WHR
0.96 (0.06)
0.96 (0.06)
0.97 (0.06)
<0.0001
Time since diagnosis of T2D (months)
9.9 (7.1)
8.6 (6.8)
11.4 (7.2)
<0.0001
Hypertension
489 (56.2%)
229 (48.9%)
260 (64.7%)
<0.0001
Systolic blood pressure (mmHg)
136.8 (15.6)
133.8 (14.2)
140.2 (16.4)
<0.0001
Diastolic blood pressure (mmHg)
83.6 (8.9)
82.9 (8.2)
84.5 (9.5)
0.006
FBG (mmol/L)
9.6 (4.4)
9.0 (3.0)
10.3 (5.5)
<0.0001
PBG (mmol/L)
13.0 (4.1)
12.4 (3.9)
13.7 (4.2)
<0.0001
Triglyceride (mmol/L)
1.46 (1.55)
1.39 (1.81)
1.55 (1.18)
0.0003
Total cholesterol (mmol/L)
5.7 (2.6)
5.5 (1.3)
5.8 (3.6)
0.049
Hemoglobin A1c (%)
8.1 (1.9)
7.8 (1.7)
8.4 (2.0)
<0.0001
Data were presented as mean (SD) or (%). SD: standard deviation; CKD−: T2D patients without CKD; CKD+: T2D patients with CKD; CKD: chronic kidney disease; BMI: body mass index; WC: waist circumference; WHR: waist-to-hip ratio; T2D: type 2 diabetes; FBG: fasting blood glucose; PBG: postprandial blood glucose.
