Table 2.
The baseline characteristics of selected patients in the training and test cohorts.
| Characteristics | Training cohort (n = 98) | Test cohort (n = 44) | ||||
|---|---|---|---|---|---|---|
| High-grade PCa (n = 70) | Low-grade PCa (n = 28) | P value | High-grade PCa (n = 31) | Low-grade PCa (n = 13) | P value | |
| Mean age (y) | 73.19 ± 8.56 | 72.11 ± 7.58 | 0.562 | 74.77 ± 8.245 | 72.46 ± 8.353 | 0.403 |
| Median PSA (ng/ml) | 16.47 (IQR:8.21–61.78) | 8.28 (IQR:6.36–14.03) | <0.05 | 15.3481 (IQR 8.28–62.1) | 8.81 (IQR:6.27–14.41) | <0.05 |
| Median PSAD (ng/mL/g) | 0.15 (IQR:0.08–0.17) | 0.15 (IQR:0.07–0.14) | 0.76 | 0.20 (IQR:0.08–0.28) | 0.18 (IQR:0.11–0.21) | 0.7 |
| Location | ||||||
| PZ | 25 | 13 | <0.05 | 11 | 8 | 0.11 |
| TZ | 9 | 11 | 3 | 4 | ||
| PZ and TZ | 36 | 4 | 17 | 1 | ||
Date are mean ± SD. IQR, interquartile range; TZ, transition zone; PZ, peripheral zone; PSAD, PSA density.