Seniory | Prescription of PSA |
| ||||
No | Yes | Total | Chi-Squared | df | Probability | |
0 to 5 years | 6 | 98 | 104 | 7.2376 | 2 | 0.02* |
6 to 10 years | 4 | 21 | 25 |
| ||
11 years and over | 2 | 4 | 6 | |||
Total | 12 | 123 | 135 |