Characteristic | Â | Cases* | Controls* | ||
---|---|---|---|---|---|
 | P-value | N = 8,195 | % | N = 81,950 | % |
Selective Cox-2 Inhibitors | 0.007 | Â | Â | Â | Â |
   No |  | 7,362 | 89.8 | 74,360 | 90.7 |
   Yes |  | 701 | 8.6 | 6,314 | 7.7 |
Non-selective Non-aspirin | 0.02 | Â | Â | Â | Â |
Non-Steroidal Anti- Inflammatory Drugs | Â | Â | Â | Â | Â |
   No |  | 6,361 | 77.6 | 64,549 | 78.8 |
   Yes |  | 1,834 | 22.4 | 17,401 | 21.2 |
Low Dose Aspirin | 0.93 | Â | Â | Â | Â |
   No |  | 7,414 | 90.5 | 74,115 | 90.4 |
   Yes |  | 781 | 9.5 | 7,835 | 9.6 |
High Dose Aspirin | 0.28 | Â | Â | Â | Â |
   No |  | 8,168 | 99.7 | 81,733 | 99.7 |
   Yes |  | 27 | 0.3 | 217 | 0.3 |
Acetaminophen | 0.64 | Â | Â | Â | Â |
   No |  | 7,317 | 89.3 | 73,033 | 89.1 |
   Yes |  | 878 | 10.7 | 8,917 | 10.9 |
Rheumatoid Arthritis | 0.70 | Â | Â | Â | Â |
   No |  | 7,640 | 93.2 | 76,490 | 93.3 |
   Yes |  | 555 | 6.8 | 5,460 | 6.7 |
Migraine | 0.002 | Â | Â | Â | Â |
   No |  | 7,797 | 95.1 | 78,571 | 95.9 |
   Yes |  | 398 | 4.9 | 3,379 | 4.1 |
Hormone Replacement Therapy | <0.001 | Â | Â | Â | Â |
   Never |  | 6,248 | 76.2 | 66,132 | 80.7 |
   Ever |  | 1,947 | 23.8 | 15,818 | 19.3 |