Research Article

Increased Serum Uric Acid Level Is a Risk Factor for Left Ventricular Hypertrophy but Not Independent of eGFR in Patients with Type 2 Diabetic Kidney Disease

Table 1

Clinical, biochemical, and echocardiographic characteristics of the study patients.

VariablesQ1 ()Q2 ()Q3 ()Q4 () value

Clinical characteristics
SUA (μmol/L)<324324–399399–470>470
Age (years)64.4 ± 10.662.5 ± 11.163.5 ± 12.563.6 ± 13.70.687
Smoking (n, %)20 (18.5%)23 (21.1%)24 (21.8%)26 (24.1%)0.846
Alcohol (n, %)16 (14.8%)19 (17.4%)20 (18.2%)21 (19.4%)0.914
Male (n, %)58 (53.7%)69 (63.3%)85 (77.3%)70 (63.6%)0.004
DD (years)12.0 ± 6.612.8 ± 7.514.0 ± 8.412.5 ± 8.30.374
HTN (n, %)66 (61.1%)81 (74.3%)91 (82.7%)78 (72.2%)<0.001
Dyslipidemia (n, %)66 (61.1%)80 (73.4%)86 (78.2%)79 (73.1%)0.057
CI (n, %)9 (8.3%)10 (9.2%)16 (14.5%)15 (13.9%)0.355
CHD (n, %)12 (11.1%)9 (8.3%)19 (17.3%)27 (25.0%)0.015
AHAs (n, %)59 (54.6%)75 (68.8%)79 (71.8%)82 (75.9%)0.006
LLDs (n, %)6 (5.6%)6 (5.5%)6 (5.5%)6 (5.6%)0.985
SBP (mmHg)141 ± 19143 ± 23142 ± 25139 ± 220.683
DBP (mmHg)81 ± 1080 ± 1382 ± 1378 ± 130.230
BMI (kg/m2)23.2 ± 3.224.8 ± 6.624.9 ± 3.525.3 ± 3.80.400
Biochemical variables
FPG (mmol/L)7.72 ± 2.937.61 ± 3.027.78 ± 3.677.47 ± 3.430.577
2 h PPG (mmol/L)12.79 ± 4.6112.23 ± 4.7511.42 ± 4.6811.61 ± 4.450.074
HbA1c (%)8.6 ± 2.28.1 ± 1.97.5 ± 1.97.2 ± 1.7<0.001
TC (mmol/L)5.14 ± 1.675.19 ± 1.604.98 ± 1.645.13 ± 1.670.675
TG (mmol/L)1.93 ± 2.261.96 ± 1.502.39 ± 1.791.76 ± 1.330.001
HDL-C (mmol/L)1.16 ± 0.371.08 ± 0.301.01 ± 0.331.07 ± 0.380.003
LDL-C (mmol/L)3.14 ± 1.433.10 ± 1.213.02 ± 1.112.95 ± 1.200.792
eGFR (mL/min per 1.73 m2)86.1 ± 40.358.1 ± 39.941.6 ± 32.924.9 ± 24.6<0.001
UAER (mg/24 h)1247.5 ± 1721.72337.8 ± 2767.32362.8 ± 2521.72140.41 ± 1931.50.001
UACR (mg/g)1270.9 ± 1984.62265.0 ± 2369.82309.2 ± 2224.42758.6 ± 2386.8<0.001
CRP (mg/L)8.15 ± 24.599.19 ± 22.617.65 ± 20.3115.02 ± 23.640.246
Echocardiographic data
LVDD (mm)46.17 ± 3.9946.50 ± 4.7347.45 ± 5.4848.82 ± 4.88<0.001
LVDS (mm)30.69 ± 4.2731.47 ± 4.5631.90 ± 4.5933.19 ± 5.00<0.001
IVST (mm)10.35 ± 1.5210.68 ± 1.8411.08 ± 1.8610.79 ± 1.730.028
PWTD (mm)9.67 ± 2.239.93 ± 1.6310.05 ± 1.6410.06 ± 1.520.023
LVEF (%)62 ± 561 ± 761 ± 560 ± 70.352
LVMI (g/m2)94.66 ± 28.3197.25 ± 31.28103.38 ± 30.19110.12 ± 30.08<0.001
LVH (n, %)28 (25.9%)26 (23.9%)35 (31.8%)48 (44.4%)0.004

SUA: serum uric acid; DD: duration of diabetes; HTN: hypertension; CI: cerebral infarction; CHD: coronary heart disease; AHAs: antihypertensive agents; LLDs: lipid-regulating drugs; SBP: systolic blood pressure; DBP: diastolic blood pressure; BMI: body mass index; FPG: fasting plasma glucose; 2 h PPG: 2 h postprandial plasma glucose; HbA1c: glycosylated hemoglobin A1c; TC: total cholesterol; TG: triglycerides; HDL-C: high-density lipoprotein cholesterol; LDL-C: low-density lipoprotein cholesterol; eGFR: estimated glomerular filtration; UAER: urinary albumin excretion rates; UACR: urinary albumin-creatinine ratio; CRP: C-reactive protein; LVDD: left ventricular end-diastolic dimension; LVDS: left ventricular end-systolic dimension; IVST: interventricular septal thickness; PWTD: posterior wall end-diastolic thickness; LVEF: left ventricular ejection fraction; LVMI: left ventricular mass index; LVH: left ventricular hypertrophy.