| Odds Ratios and 95% Confidence Intervals | |||||||
---|---|---|---|---|---|---|---|---|
Mammographic characteristics | Cases | Controls | Model 11 | Model 22 | Model 33 | |||
Absolute dense area, quintiles | Â | Â | Â | Â | Â | Â | Â | Â |
1 | 117 | 333 | 1.00 | Â | 1.00 | Â | 1.00 | Â |
2 | 167 | 332 | 1.42 | (1.08-1.89) | 1.44 | (1.08-1.92) | 1.39 | (1.04-1.86) |
3 | 167 | 333 | 1.43 | (1.08-1.89) | 1.44 | (1.08-1.92) | 1.42 | (1.06-1.90) |
4 | 240 | 332 | 2.07 | (1.58-2.71) | 1.99 | (1.50-2.62) | 2.04 | (1.53-2.70) |
5 | 269 | 332 | 2.40 | (1.83-3.13) | 2.19 | (1.65-2.89) | 2.30 | (1.74-3.06) |
Absolute non-dense area, quintiles | Â | Â | Â | Â | Â | Â | Â | Â |
1 | 271 | 333 | 1.00 | Â | 1.00 | Â | 1.00 | Â |
2 | 177 | 332 | 0.66 | (0.52-0.84) | 0.60 | (0.47-0.78) | 0.62 | (0.47-0.80) |
3 | 186 | 333 | 0.70 | (0.55-0.89) | 0.63 | (0.48-0.82) | 0.62 | (0.48-0.82) |
4 | 178 | 332 | 0.68 | (0.53-0.86) | 0.58 | (0.44-0.76) | 0.55 | (0.41-0.72) |
5 | 148 | 332 | 0.56 | (0.44-0.73) | 0.46 | (0.34-0.62) | 0.41 | (0.30-0.56) |
Percent dense area, quintiles | Â | Â | Â | Â | Â | Â | Â | Â |
1 | 109 | 334 | 1.00 | Â | 1.00 | Â | N/A | Â |
2 | 161 | 331 | 1.49 | (1.12-1.98) | 1.56 | (1.16-2.10) | Â | Â |
3 | 153 | 333 | 1.42 | (1.06-1.89) | 1.57 | (1.16-2.13) | Â | Â |
4 | 231 | 332 | 2.13 | (1.62-2.81) | 2.44 | (1.81-3.30) | Â | Â |
5 | 306 | 332 | 2.83 | (2.17-3.71) | 3.28 | (2.41-4.45) | Â | Â |