Variable | Total | 6–36 months | > 36 months | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Observed | SIR | CI low | CI high | Excess risk | Observed | SIR | CI low | CI high | Observed | SIR | CI low | CI high | |
Race | |||||||||||||
White | 660 | 1.15* | 1.06 | 1.24 | 0.37 | 263 | 1.67** | 1.47 | 1.88 | 397 | 0.95 | 0.86 | 1.05 |
Black | 77 | 1.88** | 1.48 | 2.34 | 1.61 | 32 | 2.63** | 1.80 | 3.71 | 45 | 1.56* | 1.14 | 2.09 |
Asian or Pacific Islander | 97 | 1.46* | 1.18 | 1.78 | 1.19 | 43 | 2.19* | 1.59 | 2.95 | 54 | 1.15 | 0.87 | 1.51 |
Site | |||||||||||||
Central portion | 55 | 1.48* | 1.12 | 1.93 | 1.13 | 28 | 2.76** | 1.84 | 3.99 | 27 | 1.00 | 0.66 | 1.45 |
Upper-inner | 90 | 1.23 | 0.99 | 1.51 | 0.56 | 32 | 1.53* | 1.05 | 2.16 | 58 | 1.11 | 0.84 | 1.43 |
Lower-inner | 44 | 1.20 | 0.87 | 1.62 | 0.49 | 17 | 1.64 | 0.96 | 2.63 | 27 | 1.03 | 0.68 | 1.50 |
Upper-outer | 301 | 1.19* | 1.06 | 1.33 | 0.46 | 112 | 1.65* | 1.36 | 1.98 | 189 | 1.02 | 0.88 | 1.18 |
Lower-outer | 56 | 1.20 | 0.91 | 1.56 | 0.50 | 20 | 1.50 | 0.92 | 2.32 | 36 | 1.08 | 0.76 | 1.50 |
Overlapping lesion | 167 | 1.19* | 1.02 | 1.39 | 0.48 | 82 | 2.04** | 1.63 | 2.54 | 85 | 0.85 | 0.68 | 1.05 |
Grade | |||||||||||||
1 | 136 | 1.12 | 0.94 | 1.33 | 0.31 | 45 | 1.26 | 0.92 | 1.68 | 91 | 1.07 | 0.86 | 1.31 |
2 | 350 | 1.27* | 1.14 | 1.41 | 0.66 | 134 | 1.72* | 1.44 | 2.04 | 216 | 1.09 | 0.95 | 1.25 |
3 | 283 | 1.30* | 1.16 | 1.47 | 0.76 | 135 | 2.16** | 1.81 | 2.56 | 148 | 0.96 | 0.81 | 1.12 |
ER | |||||||||||||
Positive | 601 | 1.24* | 1.14 | 1.34 | 0.59 | 242 | 1.71* | 1.50 | 1.94 | 359 | 1.04 | 0.94 | 1.16 |
Negative | 155 | 1.25* | 1.06 | 1.47 | 0.63 | 72 | 2.10** | 1.65 | 2.65 | 83 | 0.93 | 0.74 | 1.15 |
PR | |||||||||||||
Positive | 532 | 1.27* | 1.17 | 1.39 | 0.68 | 216 | 1.79** | 1.56 | 2.04 | 316 | 1.06 | 0.95 | 1.19 |
Negative | 202 | 1.15 | 0.99 | 1.32 | 0.36 | 92 | 1.78** | 1.44 | 2.19 | 110 | 0.88 | 0.71 | 1.06 |
ER (+) PR (+) | 507 | 1.26* | 1.15 | 1.37 | 0.64 | 206 | 1.75** | 1.52 | 2.01 | 301 | 1.05 | 0.94 | 1.18 |
ER (−) PR (−) | 125 | 1.16 | 0.96 | 1.38 | 0.40 | 61 | 1.97* | 1.51 | 2.53 | 64 | 0.83 | 0.64 | 1.06 |