| Age distribution among case and control | Total | ||||
30 - 39 | 40 - 49 | 50 - 59 | 60 - 69 | 70 - 79 | ||
Patient | 11 | 18 | 12 | 7 | 2 | 50 |
Control | 2 | 9 | 10 | 4 | 0 | 25 |
Total | 13 | 27 | 22 | 11 | 2 | 75 |