Table 7. Clinical characteristics of propensity score-matched patients (n = 284).
| Q1–2 | Q3–4 | P | |
|---|---|---|---|
| Uric acid (mg/dL) | 4.1 (2.2–4.6) | 5.3 (4.7–9.3) | |
| Number | 142 | 142 | |
| Baseline characteristics at renal biopsy | |||
| Age (years) | 31 (24, 44) | 31 (23, 46) | 0.515 |
| Body mass index (kg/m2) | 21.6±3.2 | 21.8±3.3 | 0.514 |
| Hypertension (%)§ | 23.9 | 21.1 | 0.671 |
| Serum creatinine (mg/dL) | 0.60 (0.59, 0.75) | 0.67 (0.60, 0.78) | 0.231 |
| Urinary protein (g/day) | 0.37 (0.16, 0.70) | 0.39 (0.19, 0.70) | 0.580 |
| Current smoker (%) | 17.6 | 12.0 | 0.256 |
| Cigarettes (per day)# | 10 (5, 20) | 15 (10, 20) | 0.449 |
| Diabetes (%) | 0.7 | 0.0 | |
| Therapeutic interventions within 1 year of kidney biopsy | |||
| RAAS blockade (%) | 35.9 | 36.6 | 1.000 |
| Use of corticosteroids (%) | 27.5 | 29.6 | 0.787 |
Median (min—max), median (25%, 75%), mean±SD.
RAAS, renin-angiotensin aldosterone system
§Systolic blood pressure ≥140 mmHg, diastolic blood pressure ≥90 mmHg, and/or use of antihypertensive drugs at the time of kidney biopsy
#Number of cigarettes that were smoked daily by current smokers at the time of kidney biopsy was displayed. P value was calculated after including past and non-smokers with 0 cigarette per day.