Table 1: Demographic and clinical characteristics of the study subject according to urinary albumin-to-creatinine ratio and dipstick proteinuria.
All participants |
ACR category (mg/g) |
Proteinuria |
PCR categories (mg/g) |
||||||||
< 30 |
≥ 30 |
P value |
– |
Trace |
≥ 1+ |
P value |
< 150 |
≥ 150 |
P value |
||
Age, year |
55.22 ± 12.54 |
55.14 ± 12.44 |
55.83 ± 13.26 |
< 0.001 |
55.22 ± 12.46b |
56.45 ± 11.42c |
54.73 ± 14.14a |
< 0.001 |
55.18 ± 12.48 |
55.78 ± 13.38 |
< 0.001 |
Sex, male; n (%) |
48265 (54.6) |
42502 (54.2) |
5763 (57.1) |
< 0.001 |
44192 (54) |
856 (49.2) |
3217 (65.8) |
< 0.001 |
44628 (54.0) |
3637 (61.8) |
< 0.001 |
Systolic BP, mmHg |
118.84 ± 14.01 |
118.42 ± 13.77 |
122.12 ± 15.37 |
< 0.001 |
118.72 ± 13.91b |
115.95 ± 13.55a |
121.87 ± 15.37c |
< 0.001 |
118.71 ± 13.91 |
120.71 ± 15.3 |
< 0.001 |
Diastolic BP, mmHg |
74.32 ± 9.06 |
74.12 ± 8.95 |
75.89 ± 9.67 |
< 0.001 |
74.25 ± 9.01b |
71.78 ± 7.86a |
76.38 ± 9.85c |
< 0.001 |
74.25 ± 9.01 |
75.4 ± 9.56 |
< 0.001 |
BMI, kg/m2 |
24.32 ± 3.29 |
24.29 ± 3.23 |
24.6 ± 3.7 |
< 0.001 |
24.29 ± 3.25a |
24.2 ± 3.42a |
24.86 ± 3.82b |
< 0.001 |
24.3 ± 3.25 |
24.71 ± 3.74 |
< 0.001 |
FBS, mg/dL |
100.62 ± 21.9 |
99.37 ± 18.39 |
110.41 ± 38.41 |
< 0.001 |
99.87 ± 20.1a |
105.5 ± 33.37b |
111.63 ± 37.18c |
< 0.001 |
99.88 ± 20.09 |
111.13 ± 37.87 |
< 0.001 |
HbA1c, % |
5.88 ± 0.83 |
5.83 ± 0.7 |
6.28 ± 1.41 |
< 0.001 |
5.86 ± 0.77a |
6.08 ± 1.26b |
6.27 ± 1.37c |
< 0.001 |
5.86 ± 0.77 |
6.29 ± 1.39 |
< 0.001 |
TC, mg/dL |
201.51 ± 39.97 |
201.78 ± 39.43 |
199.45 ± 43.92 |
< 0.001 |
201.58 ± 39.58b |
206.87 ± 44.19c |
198.61 ± 44.69a |
< 0.001 |
201.62 ± 39.6 |
199.9 ± 44.94 |
< 0.001 |
TG, mg/dL |
122.89 ± 91.99 |
121.63 ± 87.65 |
132.76 ± 120.14 |
< 0.001 |
121.82 ± 89.49a |
120.64 ± 93.4a |
141.95 ± 125.32b |
< 0.001 |
121.93 ± 89.56 |
136.93 ± 121.24 |
< 0.001 |
HDL-C, mg/dL |
54.34 ± 13.5 |
54.4 ± 13.38 |
53.93 ± 14.38 |
< 0.001 |
54.37 ± 13.41b |
56.05 ± 14.91c |
53.34 ± 14.39a |
< 0.001 |
54.38 ± 13.42 |
53.87 ± 14.59 |
< 0.001 |
LDL-C, mg/dL |
122.86 ± 36.62 |
123.28 ± 36.16 |
119.58 ± 39.89 |
< 0.001 |
123.08 ± 36.25b |
127.18 ± 40.92c |
117.71 ± 40.75a |
< 0.001 |
123.09 ± 36.28 |
119.41 ± 41.19 |
< 0.001 |
Uric acid, mg/dL |
5.35 ± 1.43 |
5.34 ± 1.41 |
5.42 ± 1.53 |
< 0.001 |
5.33 ± 1.41a |
5.29 ± 1.45a |
5.68 ± 1.57b |
< 0.001 |
5.34 ± 1.42 |
5.57 ± 1.56 |
< 0.001 |
Serum creatinine, mg/dL |
0.96 ± 0.2 |
0.96 ± 0.18 |
0.99 ± 0.3 |
< 0.001 |
0.96 ± 0.19a |
0.95 ± 0.22a |
1.04 ± 0.35b |
< 0.001 |
0.96 ± 0.19 |
1.02 ± 0.34 |
< 0.001 |
eGFR, mL/min/1.73 m2 |
78.55 ± 13.9 |
78.6 ± 13.57 |
78.19 ± 16.22 |
< 0.001 |
78.71 ± 13.7b |
78.28 ± 14.81b |
76.06 ± 16.33a |
< 0.001 |
78.67 ± 13.7 |
76.88 ± 16.33 |
< 0.001 |
Hypertension, n (%) |
20598 (23.6) |
17292 (22.4) |
3306 (33.4) |
< 0.001 |
18460 (22.9) |
465 (27.1) |
1673 (34.9) |
< 0.001 |
18613 (22.9) |
1985 (34.4) |
< 0.001 |
Obesity, n (%) |
32065 (38.9) |
28133 (38.5) |
3932 (42.3) |
< 0.001 |
29395 (38.6) |
605 (37) |
2065 (45.8) |
< 0.001 |
29689 (38.6) |
2376 (43.6) |
< 0.001 |
Diabetes, n (%) |
9913 (11.3) |
7460 (9.6) |
2453 (24.7) |
< 0.001 |
8400 (10.4) |
314 (18.3) |
1199 (24.9) |
< 0.001 |
8475 (10.4) |
1438 (24.8) |
< 0.001 |
Dyslipidemia, n (%) |
31229 (35.7) |
27295 (35.2) |
3934 (39.7) |
< 0.001 |
28603 (35.4) |
669 (39.2) |
1957 (40.7) |
< 0.001 |
28875 (35.4) |
2354 (40.7) |
< 0.001 |
Data are presented as mean ± standard deviation or N (%) values.
ACR: Albumin-to-creatinine ratio; PCR: Protein-to-creatinine ratio; BP: Blood presure; BMI: Body mass index; FBS: Fasting blood sugar; HbA1c: Hemoglobin A1c; TC: Total cholesterol; TG: Triglycerides; HDL-C: High-density lipoprotein cholesterol; LDL-C: Low-density lipoprotein cholesterol; eGFR: estimated Glomerular filtration rate.
P value derived from T-test, one-way ANOVA and χ² test.
a,b,c: Different letters indicate significant difference between groups based on Scheffe’s multiple-comparisons test.