Table 3.
Baseline characteristics of the matched participants (n = 662)a
| Characteristics | Samples (n = 662) | Benign prostatic hyperplasia | P | |
|---|---|---|---|---|
| Yes (n = 331) | No (n = 331) | |||
| Age (year, mean ± SD) | 61.66 ± 11.41 | 61.92 ± 11.57 | 61.41 ± 11.25 | 0.57 |
| BMI (kg/m2) | 24.82 ± 2.97 | 24.85 ± 2.96 | 24.79 ± 2.99 | 0.80 |
| Blood pressure [n(%)] | 1.00 | |||
| Hypertension | 320 (48.3) | 160 (48.3) | 160 (48.3) | |
| Normotension | 342 (51.7) | 171 (51.7) | 171 (51.7) | |
| Periodontal disease [n(%)] | 0.00 | |||
| No | 459 (69.3) | 208 (62.8) | 251 (75.8) | |
| Yes | 203 (30.7) | 123 (37.2) | 80 (24.2) | |
| FBG (ng/ml, mean ± SD) | 5.92 ± 1.63 | 5.84 ± 1.48 | 5.99 ± 1.76 | 0.25 |
| LDL-C (mmol/L, mean ± SD) | 2.83 ± 0.73 | 2.80 ± 0.72 | 2.85 ± 0.73 | 0.40 |
| Triglycerides (mmol/L, mean ± SD) | 1.46 ± 0.90 | 1.45 ± 0.98 | 1.47 ± 0.80 | 0.69 |
| HDL-C (mmol/L, mean ± SD) | 1.24 ± 0.25 | 1.22 ± 0.23 | 1.26 ± 0.27 | 0.09 |
| TC (mmol/L, mean ± SD) | 4.73 ± 0.91 | 4.67 ± 0.90 | 4.78 ± 0.93 | 0.13 |
| ESR (mm/h, mean ± SD) | 6.75 ± 6.53 | 6.48 ± 6.29 | 7.02 ± 6.77 | 0.29 |
| Uric acid (μmol/L, mean ± SD) | 313.41 ± 73.87 | 313.15 ± 68.88 | 313.68 ± 78.68 | 0.93 |
| Creatinine (μmol/L, mean ± SD) | 79.85 ± 14.16 | 79.74 ± 13.15 | 79.97 ± 15.13 | 0.83 |
| Urea nitrogen (mmol/L, mean ± SD) | 5.19 ± 1.41 | 5.11 ± 1.34 | 5.26 ± 1.48 | 0.17 |
| Prostate volume (g, mean ± SD) | 39.56 ± 17.21 | NR | NA | |
| ≤ 60 g (n = 296) | 35.53 ± 9.19 | NR | ||
| > 60 g (n = 32) | 77.40 ± 26.20 | NR | ||
BMI Body mass index, FBG Fasting blood glucose, TC Total cholesterol, LDL-C Low-density lipoprotein cholesterol, HDL-C High-density lipoprotein cholesterol, ESR Erythrocyte sedimentation rate, NR Not reported, NA Not available
aWe matched cases and controls using greedy matching age ± 5 years, BMI ±2, and same blood pressure status (hypertension and normotension)