Table 2.
Clinical characteristics of study population grouped by RBP4 interquartile range.
| Study population (2117) | |||||
|---|---|---|---|---|---|
| Characteristic | RBP4(Q1) | RBP4(Q2) | RBP4(Q3) | RBP4(Q4) | P |
| Age (years) | 50.92 (14.25) | 55.85 (13.39) | 58.12 (12.34) | 59.32 (11.67) | <0.001 |
| Prevalence of hypertension (%) | 166 (31.3%) | 269 (50.9%) | 281 (53.1%) | 338 (63.9%) | <0.001 |
| Prevalence of diabetes (%) | 33 (6.2%) | 55 (10.4%) | 70 (13.2%) | 81 (15.3%) | <0.001 |
| Prevalence of insulin resistance (%) | 105 (19.8%) | 155 (29.3%) | 191 (36.1%) | 276 (52.2%) | <0.001 |
| Prevalence of metabolic syndrome (%) | 62 (11.7%) | 124 (23.4%) | 203 (38.4%) | 356 (67.3%) | <0.001 |
| Prevalence of hyperuricemia (%) | 52 (9.8%) | 138 (26.1%) | 192 (36.3%) | 267 (50.5%) | <0.001 |
| Prevalence of chronic kidney diseases(%) | 50 (9.4%) | 85 (16.1%) | 90 (17.0%) | 185 (35.0%) | <0.001 |
| physical examination | |||||
| SBP (mmHg) | 126 (19) | 135 (20) | 136 (19) | 141 (18) | <0.05 |
| DBP (mmHg) | 78 (10) | 83 (10) | 83 (10) | 86 (11) | <0.05 |
| BMI (kg/m2) | 22.87 (3.27) | 23.93 (3.35) | 24.72 (3.49) | 25.37 (3.23) | <0.001 |
| WC (cm) | 79.42 (9.66) | 83.85 (9.29) | 86.88 (9.46) | 88.79 (8.74) | <0.001 |
| laboratory examination | |||||
| FPG (mmol/L) | 5.00 (1.00) | 5.21 (1.17) | 5.39 (1.25) | 5.60 (1.62) | <0.001 |
| TG (mmol/L) | 1.00 (0.34) | 1.25 (0.42) | 1.51 (0.58) | 2.64 (1.44) | <0.001 |
| HDL-C(mmol/L) | 1.59 (0.33) | 1.54 (0.32) | 1.52 (0.35) | 1.35 (0.33) | <0.001 |
| HOMA-IR (mmol/L.mU/L) | 1.65 (1.21-1.65) | 1.95 (1.44-2.88) | 2.18 (1.48-3.32) | 2.78 (1.90-3.93) | <0.001 |
| Serum creatinine (µmol/mL) | 69.58 (13.40) | 74.79 (16.35) | 80.25 (19.20) | 86.77 (36.15) | <0.001 |
| Blood Urea Nitrogen (mmol/L) | 4.77 (1.27) | 5.16 (1.21) | 5.48 (1.37) | 5.69 (2.07) | <0.001 |
| eGFR (mL/min/1.73 m2) | 93.89 (15.59) | 87.53 (16.40) | 82.39 (15.41) | 78.33 (18.10) | <0.001 |
| Serum uric acid (µmol/L) | 299.27 (71.07) | 338.97 (76.95) | 364.67 (84.04) | 395.97 (90.72) | <0.001 |
| hs-CRP (mg/L) | 1.00 (0-1.92) | 1.27 (0.54-2.44) | 1.51 (0.70-2.75) | 1.70 (0.91-2.86) | <0.001 |