Table 1.
Baseline characteristics between the DKD and NDKD groups before and after propensity score matching.
| Before‐PSM |
After‐PSM |
|||||||
|---|---|---|---|---|---|---|---|---|
| NDKD group | DKD group | χ2/t/Z value | p-Value | NDKD group | DKD group | χ2/t/Z value | p-Value | |
| Number (n) | 851 | 287 | – | – | 197 | 197 | – | – |
| Gender (male/female, number) | 589/262 | 203/84 | 0.234 | 0.629 | 145/52 | 149/48 | 0.214 | 0.643 |
| Age (year, ± s) | 68.15 ± 14.05 | 66.07 ± 11.90 | 2.133 | 0.033 | 69.19 ± 13.39 | 66.97 ± 11.62 | 1.756 | 0.080 |
| SBP (mmHg, ± s) | 137.93 ± 22.06 | 145.95 ± 23.09 | −5.648 | <0.001 | 143.91 ± 24.77 | 143.21 ± 23.05 | 0.291 | 0.772 |
| BMI (kg/m2, ± s) | 23.25 ± 3.73 | 25.07 ± 4.57 | −5.806 | <0.001 | 24.79 ± 4.22 | 24.36 ± 3.99 | 1.054 | 0.292 |
| Hb (g/L, ± s) | 121.85 ± 22.43 | 110.18 ± 21.18 | 7.966 | <0.001 | 113.57 ± 22.21 | 112.50 ± 21.04 | 0.494 | 0.622 |
| Serum Alb (g/L, ± s) | 39.61 ± 5.86 | 34.91 ± 6.64 | 10.603 | <0.001 | 37.10 ± 6.61 | 36.43 ± 5.82 | 1.067 | 0.286 |
| Scr (mg/dL, M, IQR) | 1.59,1.31 | 2.36,1.84 | 167971.000 | <0.001 | 2.17,1.91 | 2.20,1.83 | 20287.000 | 0.435 |
| eGFR (ml/min/1.73m2, M, IQR) | 33.03,29.74 | 20.18,20.11 | 78358.500 | <0.001 | 23.67,16.42 | 21.44,15.41 | 18738.500 | 0.556 |
| Prevalence of CVD (Yes, %) | 194, 22.84 | 111, 38.70 | 27.585 | <0.001 | 77,39.10 | 61,31.00 | 2.855 | 0.091 |
| Prevalence of hypertension (Yes, %) | 750, 88.10 | 277, 96.50 | 17.138 | <0.001 | 194,98.50 | 187,94.90 | 3.898 | 0.048 |
| CKD stage (2/3/4/5, number) | 85/396/248/122 | 10/74/116/87 | 71.612 | <0.001 | 10/54/79/54 | 7/54/86/50 | 0.980 | 0.806 |
| Proteinuria (Yes, %) | 458, 54.70 | 252, 88.40 | 103.924 | <0.001 | 161,81.70 | 168,85.30 | 0.903 | 0.342 |
| Urinary occult blood (Yes, %) | 270, 32.30 | 108, 37.90 | 3.024 | 0.082 | 74,37.60 | 69,35.00 | 0.274 | 0.600 |
| Use of RASI (Yes, %) | 496, 58.30 | 224, 78.00 | 36.076 | <0.001 | 154,78.20 | 147,74.60 | 0.690 | 0.406 |
| Use of CCB (Yes, %) | 374, 43.90 | 162, 56.40 | 13.454 | <0.001 | 123,62.40 | 111,56.30 | 1.515 | 0.218 |
| Use of diuretics (Yes, %) | 232, 27.30 | 149, 51.90 | 58.576 | <0.001 | 97,49.20 | 90,45.70 | 0.499 | 0.480 |
Abbreviations: DKD: diabetic kidney disease; NDKD: non-diabetic kidney disease; SBP: systolic blood pressure; BMI: body mass index; Hb: hemoglobin; Alb: albumin; Scr: serum creatinine; eGFR: estimated glomerular filtration rate; CVD: cardiovascular disease; CKD: chronic kidney disease; RASI: Renin-angiotensin system inhibitors; CCB: calcium channel blocker.