Age group (years) | Plasma PSA (µg/l) |
---|---|
40-49 | <2.5 |
50-59 | <3.5 |
60-69 | <4.5 |
70-79 | <6.5 |
Plasma PSA concentration | Probability of prostate cancer |
---|---|
Total PSA | |
0-2 µg/l | 1 % |
2-4 µg/l | 15 % |
4-10 µg/l | 25 % |
>10 µg/l | >50% |
Proportion of free PSA when total PSA concentration is in the range of 4-10 µg/l | |
0-10% | 56% |
10-15% | 28% |
15-20% | 20% |
20-25% | 16% |
>25% | 8% |