Table 1.
Four scenarios of serial PSA values and PSA nadirs following primary local therapy and the corresponding PSADT
Example 1 | Example 2 | |||||
---|---|---|---|---|---|---|
Surgery | RT | Surgery | RT | |||
PSA | PSA | Nadir-subtracted PSA | PSA | PSA | Nadir-subtracted PSA | |
Nadir | 0 | 1.00 | 0 | 1.00 | ||
1/1/2006 | 0.20 | 1.20 | 0.20 | 10.00 | 11.00 | 10.00 |
4/1/2006 | 0.30 | 1.30 | 0.30 | 15.00 | 16.00 | 15.00 |
7/1/2006 | 0.40 | 1.40 | 0.40 | 20.00 | 21.00 | 20.00 |
10/1/2006 | 0.60 | 1.60 | 0.60 | 30.00 | 31.00 | 30.00 |
PSADT (mos) | 5.8 | 22.1 | 5.8 | 5.8 | 6.1 | 5.8 |