Table 1. Clinicopathological parameters in low- and high-grade prostate cancer.
| All low grade | All high grade | |
|---|---|---|
| (n = 74) | (n = 94) | |
| aAge at surgery (n = 168) | ||
| Median (range) | 68.0 (52.0–77.0) | 67.0 (48.0–77.0) |
| Mean | 67.31 | 65.56 |
| bPathology pT staged (n = 168)* | ||
| PT2-pT3a | 71 | 79 |
| PT3b | 3 | 15 |
| cLymph node Status (n = 168)* | ||
| Positive | 1 | 8 |
| Negative | 73 | 86 |
| bTumor margins (n = 168)* | ||
| Positive | 4 | 20 |
| Negative | 70 | 74 |
| cCapsular invasion (n = 168) | ||
| No invasion | 73 | 90 |
| Invasion | 1 | 4 |
| bOrgan confined (n = 168)* | ||
| Yes | 3 | 21 |
| No | 70 | 73 |
| a,dPreOpPSA (ng mL−1) (n = 168)* | ||
| Median (range) | 14.00 (1.43, 59.12) | 21.00 (2.61, 100) |
| Mean | 17.8543 | 25.1349 |
| a,dBio-gleason score* | ||
| Median (range) | 6.0 (3.0, 9.0) | 8.0 (3.0, 9.0) |
| Mean | 6.432 | 7.2316 |
| bRecurrence (n = 168)* | ||
| Yes (≥ 0.2 ng mL−1) | 32 | 67 |
| No (< 0.2 ng mL−1) | 42 | 27 |
| a,dTotal follow-up (months)* | ||
| Median (range) | 35.00 (2.00, 76.00) | 24.50 (2.00, 68.00) |
| Mean | 39.01 | 25.85 |
| a,dTotal follow-up in recurred group (n = 99) | ||
| Median (range) | 30.00 (2.00, 53.00) | 21.00 (2.00, 63.00) |
| Mean | 30.03 | 22.23 |
| a,dTotal follow-up in non-recurring group (n = 69)* | ||
| Median (range) | 48.50 (22.00, 76.00) | 32.00 (18.00, 68.00) |
| Mean | 45.86 | 35.84 |
*
P < 0.05, compare the clinicopathological parameters between the low grade and high grade patients. a: Mean (t-test), b: χ2 test, c: Fisher's exact test, d: Mann-Whitney U test.