Table 3. The results of the univariate logistic regression model of predictors for GSU and GSU from GS=6.
| Predictors | Predicting any GSU | AUC | Predicting GSU form GS=6 | AUC | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| OR | 95%CI | P | beta-coefficent | OR | 95%CI | P | beta-coefficent | |||
| Primary GS | 0.66 | - | ||||||||
| 3 | 1.00 (Reference) | |||||||||
| 4 | 0.35 | 0.22-0.02 | <0.001 | −1.06 | ||||||
| 5 | 0.07 | 0.02-0.29 | <0.001 | −2.71 | ||||||
| Secondary GS | 0.70 | - | ||||||||
| 3 | 1.00 (Reference) | |||||||||
| 4 | 0.27 | 0.17-0.42 | <0.001 | −1.31 | ||||||
| 5 | 0 | 0.00-0.00 | 0.997 | −21.34 | ||||||
| non-obesity (BMI<28) | 1.00 (Reference) | |||||||||
| Obesity (BMI>28) | 1.43 | 0.95-2.17 | 0.089 | 0.36 | 0.54 | 2.06 | 0.99-4.28 | 0.052 | 0.72 | 0.58 |
| Age (ys) | 0.51 | 0.53 | ||||||||
| <60 | 1.00 (Reference) | 1.00 (Reference) | ||||||||
| 60-70 | 1.23 | 0.68-2.22 | 0.683 | 0.21 | 1.60 | 0.67-3.80 | 0.287 | 0.47 | ||
| >70 | 1.00 | 0.54-1.86 | 0.991 | −0.64 | 1.43 | 0.56-3.61 | 0.456 | 0.35 | ||
| DRE | 0.91 | 0.58-1.43 | 0.682 | −0.10 | 0.51 | 0.96 | 0.43-2.13 | 0.922 | −0.40 | |
| BMI | 0.99 | 0.97-1.01 | 0.534 | −0.01 | 0.55 | 1.08 | 0.97-1.20 | 0.170 | 0.08 | 0.57 |
| PSA level (ng/ml) | 1.00 | 0.99-1.02 | 0.657 | 1.00 | 0.54 | 1.05 | 1.01-1.09 | 0.013 | 0.05 | 0.65 |
| PSAD | 1.05 | 0.76-1.46 | 0.765 | 0.76 | 0.55 | 11.11 | 2.50-49.38 | 0.002 | 2.41 | 0.67 |
| N of cores taken | 0.75 | 0.36-1.55 | 0.432 | −0.29 | 0.52 | |||||
| <12 | 1.00 (Reference) | 1.00 (Reference) | ||||||||
| ≥12 | 1.31 | 0.84-2.06 | 0.238 | 0.27 | 1.31 | 0.84-2.06 | 0.238 | 0.27 | ||
| N positive cores (n) | 1.02 | 0.96-1.09 | 0.494 | 0.02 | 1.24 | 1.05-1.47 | 0.012 | 0.22 | 0.66 | |
| % positive cores | 1.21 | 0.58-2.53 | 0.606 | 0.19 | 11.38 | 1.63-79.70 | 0.014 | 2.43 | 0.68 | |
| Clinical stage | 0.54 | 0.56 | ||||||||
| T1c | 1.00 (Reference) | 1.00 (Reference) | ||||||||
| T2a | 1.20 | 0.62-2.38 | 0.598 | 0.18 | 2.43 | 0.75-7.96 | 0.141 | 0.89 | ||
| T2b | 0.89 | 0.52-1.55 | 0.692 | −0.11 | 0.71 | 0.31-1.61 | 0.407 | −0.35 | ||
| T2c | 0.83 | 0.42-1.62 | 0.580 | −0.19 | 0.67 | 0.23-1.98 | 0.468 | −0.40 | ||
| T3 | 0.59 | 0.24-1.44 | 0.249 | −0.52 | 1.22 | 0.01-14.70 | 0.877 | 0.20 | ||
| PV (ml) | 0.50 | 0.56 | ||||||||
| <30 | 1.00 (Reference) | 1.00 (Reference) | ||||||||
| 30-45 | 0.65 | 0.40-1.06 | 0.085 | 0.40 | 0.60 | 0.26-1.36 | 0.222 | −0.51 | ||
| >45 | 1.02 | 0.63-1.66 | 0.938 | 0.02 | 0.70 | 0.32-1.52 | 0.361 | −0.36 | ||
| Surgical technique | 0.51 | 0.53 | ||||||||
| ORP | 1.00 (Reference) | 1.00 (Reference) | ||||||||
| LRP | 0.90 | 0.52-1.55 | 0.702 | −0.11 | 0.69 | 0.29-1.64 | 0.401 | −0.37 | ||
| RALP | 1.08 | 0.67-1.76 | 0.750 | 0.08 | 1.07 | 0.50-2.30 | 0.867 | 0.07 | ||
P <0.05 is statistically significant.