Case Control Study
Copyright ©The Author(s) 2021.
World J Diabetes. Oct 15, 2021; 12(10): 1765-1777
Published online Oct 15, 2021. doi: 10.4239/wjd.v12.i10.1765
Table 1 Study and control group characteristics

DKD (n = 117)
NDKD (n = 110)
P value
Age (yr)68.94 (7.90)69.87 (10.86)0.46
Male sex (%)57 (48.72)66 (60.00)0.088
Time-to-dialysis (yr)5.25 (5.16)6.23 (6.09)0.20
Rapid progression of CKD (TTD ≤ 3 mo) (%)6 (5.13)6 (5.45)0.91
Fast progression of CKD (TTD ≤ 1 yr) (%)29 (24.79)21 (19.09)0.30
Slow progression of CKD (TTD > 5 yr) (%)37 (31.62)43 (39.09)0.24
BMI (kg/m2)30.21 (16.35)26.01 (5.15)0.01
Smoking ever (%)52 (44.44)58 (53.21)10.19
Preserved diuresis (%)97 (82.91)85 (77.27)0.29
24 h diuresis > 500 mL (%)49 (41.88)46(41.82)0.99
Hypertension (%)114 (97.44)102 (92.73)0.099
ACE-I (%)50 (43.48)239 (39.39)40.54
ARB (%)17 (14.78)212 (11.76)50.51
Beta-blockers (%)89 (76.72)391 (89.22)50.015
Statins (%)76 (66.09)257 (58.16)60.23
Table 2 Single-nucleotide polymorphisms’ associations with diabetic kidney disease
SNP
DKD
NDKD
OR
P value
E
N
E
N
rs16176401231111191010.94 (0.65-1.36)0.78
rs84185384150601601.49 (1.00-2.23)0.048
rs180078367167691510.88 (0.59-1.31)0.53
rs153134323211172031.30 (0.68-2.51)0.43
rs180047091143931270.87 (0.60-1.26)0.46
rs75985394140741461.32 (0.90-1.94)0.15
rs180128240194351851.06 (0.66-1.79)0.73
rs13293564104130911291.13 (0.78-1.65)0.51
rs226838829205321880.83 (0.48-1.43)0.50
Table 3 Associations between genetic risk score and different parameters in diabetic kidney disease and non-diabetic kidney disease patients
Parameter
DKD + NDKD, n = 227
DKD, n = 117
NDKD1, n = 91
GRS, mean ± SD
P value
GRS, mean ± SD
P value
GRS, mean ± SD
P value
Rapid progression (TTD ≤ 3 mo vs > 3 mo)0.602 ± 0.233 vs 0.603 ± 0.2580.990.518 ± 0.273 vs 0.620 ± 0.2600.340.687 ± 0.167 vs 0.574 ± 0.2480.27
Fast progression (TTD ≤ 1 yr vs > 1 yr)0.592 ± 0.246 vs 0.606 ± 0.2600.750.600 ± 0.229 vs 0.620 ± 0.2700.710.522 ± 0.253 vs 0.593 ± 0.2420.30
Slow progression (TTD > 5 yr vs ≤ 5 yr)0.596 ± 0.256 vs 0.607 ± 0.2580.770.629 ± 0.286 vs 0.608 ± 0.2490.690.583 ± 0.230 vs 0.580 ± 0.2570.96
Diuresis (preserved diuresis vs no diuresis)0.614 ± 0.260 vs 0.557 ± 0.2390.180.622 ± 0.265 vs 0.578 ± 0.2350.490.605 ± 0.244 vs 0.503 ± 0.2350.09
24h diuresis > 500 mL (> 500 mL vs ≤ 500 mL)0.630 ± 0.244 vs 0.583 ± 0.2650.170.621 ± 0.258 vs 0.611 ± 0.2630.830.643 ± 0.220 vs 0.535 ± 0.2530.035
Male sex (males vs females)0.639 ± 0.265 vs 0.591 ± 0.2550.310.617 ± 0.263 vs 0.586 ± 0.2490.370.589 ± 0.251 vs 0.568 ± 0.2350.70
Table 4 The distribution of genetic risk score in particular end-stage kidney disease subgroups
Group
GRS
P value
Post-hoc analysis
Classification: (1) GD, (2) TID, (3) VD, (4) CCD, (5) CP
0.09GD vs TIDP = 0.014
GD vs VDP = 0.12
GD (n = 146)0.628 ± 0.256GD vs CCDP = 0.61
TID (n = 16)0.461 ± 0.218GD vs CPP = 0.97
VD (n = 33)0.551 ± 0.269TID vs VDP = 0.24
CCD (n = 13)0.590 ± 0.138TID vs CCDP = 0.18
CP (n = 19)0.629 ± 0.298TID vs CPP = 0.051
VD vs CCDP = 0.64
VD vs CPP = 0.29
CCD vs CPP = 0.66
Classification: (1) GD, (2) TID+VD+CCD, (3) CP
GD (n = 146)0.628 ± 0.2560.055GD vs TID+VD+CCDP = 0.018
TID+VD+CCD (n = 62)0.536 ± 0.235GD vs CPP = 0.97
CP (n = 19)0.629 ± 0.298TID+VD+CCD vs CPP = 0.16
Classification: (1) GD, (2) TID+VD+CCD+CP
GD0.628 ± 0.2560.051N/A
TID+VD+CCD+CP0.558 ± 0.253