| Population | Cases | Controls | |||
---|---|---|---|---|---|---|
 | No. | % | No. | % | No. | % |
Area | Â | Â | Â | Â | Â | Â |
   Brescia | 272,786 | 16.6 | 275 | 13.1 | 248 | 11.7 |
   Milan | 963,341 | 58.7 | 1369 | 65.2 | 1440 | 67.9 |
   Monza | 155,491 | 9.5 | 144 | 6.8 | 117 | 5.5 |
   Pavia | 122,036 | 7.4 | 137 | 6.5 | 130 | 6.1 |
   Varese | 128,420 | 7.8 | 176 | 8.4 | 185 | 8.7 |
Gender | Â | Â | Â | Â | Â | Â |
   Females | 867,310 | 52.8 | 449 | 21.4 | 500 | 23.6 |
   Males | 774,764 | 47.2 | 1652 | 78.6 | 1620 | 76.4 |
Age | Â | Â | Â | Â | Â | Â |
   35–39 | 242,876 | 14.8 | 12 | 0.6 | 17 | 0.8 |
   40–44 | 203,923 | 12.4 | 19 | 0.9 | 28 | 1.3 |
   45–49 | 185,568 | 11.3 | 52 | 2.5 | 71 | 3.3 |
   50–54 | 206,127 | 12.6 | 133 | 6.3 | 127 | 6.0 |
   55–59 | 183,214 | 11.2 | 240 | 11.4 | 300 | 14.1 |
   60–64 | 196,734 | 12.0 | 359 | 17.1 | 371 | 17.5 |
   65–69 | 167,764 | 10.2 | 474 | 22.6 | 489 | 23.1 |
   70–74 | 143,191 | 8.7 | 471 | 22.4 | 424 | 20.0 |
   75–79 | 112,677 | 6.9 | 341 | 16.2 | 293 | 13.8 |
Total | 1,642,074 | 100.0 | 2101 | 100.0 | 2120 | 100.0 |