表 2.
双能CT探测肾尿酸盐结石阳性和无肾结石组痛风患者的临床特征比较
Clinical characteristics of gout patients with uric acid kidney stone and without kidney stone by dual-energy CT
| Items | Positive uric acid kidney stone by DECT (n=34) | Negative kidney stone by DECT (n=30) | P |
| Data are expressed as x±s or M (P25, P75). DECT, dual-energy CT. Other abbreviations as in Table 1. | |||
| Age/years | 44.9±7.4 | 42.4±10.7 | 0.475 |
| Disease duration/months | 108.3±72.2 | 49.1±28.4 | 0.001 |
| Gout flare frequency/years | 4 (1, 10) | 1 (1, 2) | 0.05 |
| BMI/(kg/m2) | 27.5±3.6 | 27.6±3.2 | 0.933 |
| Serum uric acid/(μmol/L) | 517.2±108.1 | 466.2±134.5 | 0.001 |
| Serum creatinine/(μmol/L) | 93.2±14.7 | 87.9±17.4 | 0.132 |
| eGFR/(mL/min) | 87.0±14.4 | 93.8±17.0 | 0.05 |
| hsCRP/(mg/L) | 13.4±2.8 | 10.1±2.5 | 0.891 |
| Glucose/(mmol/L) | 3.4±2.1 | 2.2±1.7 | 0.123 |
| TG/(mmol/L) | 1.9±0.8 | 2.6±2.4 | 0.089 |
| TCHO/(mmol/L) | 4.8±0.6 | 4.4±1.5 | 0.204 |
| LDL-C/(mmol/L) | 2.7±0.6 | 2.5±0.9 | 0.535 |
| Urinary oxalic acid/(mg/L) | 15.4±7.2 | 10.9±7.0 | 0.003 |
| Urinary oxalic acid/(mg/24 h) | 28.5±18.8 | 23.6±16.9 | 0.02 |
| Urinary citrate/(mg/L) | 183.3±126.2 | 314.9±193.3 | 0.001 |
| Urinary citrate/(mg/24 h) | 391.7±261.2 | 556.0±316.3 | 0.007 |
| Urinary calcium/(mmol/L) | 1.9±1.4 | 1.7±1.3 | 0.502 |
| Urinary uric acid/(mmol/24 h) | 1 684.2±812.1 | 1 518.1±893.4 | 0.371 |
| Urinary P/(mmol/L) | 13.6±6.2 | 12.8±7.5 | 0.583 |
| Urinary Mg/(mmol/L) | 1.5±0.5 | 1.9±1.1 | 0.083 |
| Urinary creatine/(mmol/L) | 8.6±3.1 | 7.3±3.7 | 0.077 |