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. 2026 Jul 10;23:117. doi: 10.1186/s12986-026-01167-4

Table 2.

Sociodemographic and clinical characteristics of participants by clinical group (n = 306)

Variable DMCN
(n = 85)
DMCI
(n = 66)
DRCN
(n = 83)
DRCI
(n = 72)
p-value
Age, year 57.75 ± 11.09 66.44 ± 12.15 57.29 ± 9.94 62.09 ± 9.57 < 0.001
BMI, kg/m2 25.22 ± 3.48 25.35 ± 3.27 25.21 ± 2.91 25.41 ± 3.10 0.974
Diabetes duration, years 8.53 ± 6.32 11.31 ± 7.75 13.84 ± 7.60 15.14 ± 7.52 < 0.001
Sex Male 48(56.5) 31(47.0) 49(59.0) 36(50.0) 0.428
Female 37(43.5) 35(53.0) 34(41.0) 36(50.0)
Residence Rural 41(48.2) 36(54.5) 40(48.2) 41(56.9) 0.610
Urban 44(51.8) 30(45.5) 43(51.8) 31(43.1)
Marital status Married 77(90.6) 56(84.8) 77(92.8) 66(91.7) 0.400
Others 8(9.4) 10(15.2) 6(7.2) 6(8.3)
Family history of diabetes Yes 15(17.6) 16(24.2) 19(22.9) 14(19.4) 0.725
No 67(78.8) 45(68.2) 60(72.3) 52(72.2)
Unclear 3(3.5) 5(7.6) 4(4.8) 6(8.3)
Education level, years ≤ 6 28(32.9) 29(43.9) 29(34.9) 28(38.9) 0.400
7–9 28(32.9) 18(27.3) 21(25.3) 26(36.1)
≥ 10 29(34.1) 19(28.8) 33(39.8) 18(25.0)
Cigarette smoking Yes 22(25.9) 24(36.4) 21(25.3) 20(27.8) 0.436
No 63(74.1) 42(63.6) 62(74.7) 52(72.2)
Alcohol drinking Yes 24(28.2) 27(40.9) 23(28.0) 19(26.4) 0.219
No 61(71.8) 39(59.1) 59(72.0) 53(73.6)
Hypertension Yes 49(57.6) 35(53.0) 54(65.1) 37(51.4) 0.313
No 36(42.4) 31(47.0) 29(34.9) 35(48.6)
Coronary heart disease Yes 4(4.7) 10(15.2) 9(10.8) 9(12.5) 0.180
No 81(95.3) 56(84.8) 74(89.2) 63(87.5)
Diabetic kidney disease Yes 5(5.9) 5(7.6) 9(10.8) 11(15.3) 0.222
No 80(94.1) 61(92.4) 74(89.2) 61(84.7)
Exercise frequency None 45(52.9) 36(54.5) 56(67.5) 50(69.4) 0.192
≤ 3 times/wk 34(40.0) 27(40.9) 24(28.9) 21(29.2)
> 3 times/wk 6(7.1) 3(4.5) 3(3.6) 1(1.4)
Insulin therapy No 45(52.9) 31(47.0) 36(43.4) 30(41.7) 0.489
Any 40(47.1) 35(53.0) 47(56.6) 42(58.3)
HbA1c, % 7.08 ± 1.22 7.17 ± 1.34 7.62 ± 2.14 7.75 ± 1.61 0.024
Serum creatinine, µmol/L 72.50 ± 16.84 70.77 ± 17.65 75.96 ± 30.97 79.29 ± 28.57 0.164
eGFR, mL/min/1.73 m² 93.01 ± 23.34 94.11 ± 18.50 92.11 ± 21.26 87.18 ± 18.06 0.194
Total cholesterol, mmol/L 4.44 ± 1.23 4.50 ± 1.39 4.57 ± 1.34 4.34 ± 1.34 0.695
LDL-C, mmol/L 2.56 ± 1.07 2.79 ± 1.31 2.75 ± 1.02 2.56 ± 1.07 0.336
Triglycerides, mmol/L 1.75 ± 1.14 1.59 ± 1.03 1.66 ± 1.03 1.57 ± 1.16 0.787

Data are presented as mean ± SD or n (%). Group differences were assessed using one-way ANOVA, chi-square test, or Fisher’s exact test, as appropriate. Abbreviations: BMI, body mass index; eGFR, estimated glomerular filtration rate; HbA1c, glycated hemoglobin; LDL-C, low-density lipoprotein cholesterol; WK, week