Clinical Study
Are Preoperative Kattan and Stephenson Nomograms Predicting Biochemical Recurrence after Radical Prostatectomy Applicable in the Chinese Population?
Table 1
Background demographics of patients with prostate cancer undergoing prostatectomy.
| | Variables | Kattan 1998 | Stephenson 2006 | Our study | | PSA | | | |
| | <4 | 217 (22.1%) | Median PSA = 6.1
(Range: 4.4–9.0) | 28 (8.6%) | | 4.1–10 | 472 (48%) | 136 (41.7%) | | 10.1–20 | 187 (19%) | 102 (31.3%) | | >20 | 107 (10.9%) | 60 (18.4%) | | Clinical stage | | | | | T1a/b | 83 (8.4%) | 0 (0%) | 33 (10.1%) | | T1c | 148 (15.1%) | 803 (40.6%) | 224 (68.7%) | | T2a | 266 (27.1%) | 509 (25.7%) | 32 (9.8%) | | T2b | 246 (25.0%) | 335 (17.0%) | 21 (6.5%) | | T2c | 182 (18.5%) | 244 (12.3%) | 10 (3.1%) | | T3 | 58 (5.9%) | 88 (4.4%) | 6 (1.8%) | | Gleason score (GS) | | | | | GS 1-2/1-2 | 108 (11%) | | 0 (0.0%) | | GS 1-2/3 | 158 (16.1%) | | 1 (0.3%) | | GS 3/3 and 3/1-2 | 405 (41.2%) | | 153 (46.9%) | | GS 3/4-5 | 213 (21.7%) | | 103 (31.6%) | | GS 4-5/1-5 | 99 (10.1%) | | 69 (21.2%) | | GS 2–6 | | 1348 (68%) | 154 (47.2%) | | GS 3+4 | | 397 (20%) | 98 (30.1%) | | GS 4+3 | | 130 (7%) | 41 (12.6%) | | GS 8–10 | | 104 (5%) | 33 (10.1%) |
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