Tertiles | |||||||
---|---|---|---|---|---|---|---|
1 | 2 | 3 | |||||
Cut points (ng/mL) | <0.18 | 0.18 - <0.22 | ≥0.22 | p trend a | RRlog2 b | p het c | p het d |
Age at diagnosis | |||||||
<50 yearse | |||||||
ER+/PR+ | |||||||
Cases/controls | 82/70 | 25/35 | 13/15 | ||||
RR (95% CI) | Ref. | 0.48 (0.23-0.98) | 0.53 (0.17-1.69) | 0.14 | 0.48 (0.18-1.28) | ||
ER+ | |||||||
Cases/controls | 99/87 | 27/40 | 17/16 | ||||
RR (95% CI) | Ref. | 0.49 (0.25-0.96) | 0.79 (0.30-2.09) | 0.32 | 0.64 (0.26-1.54) | ||
≥50 years | |||||||
ER+/PR+ | |||||||
Cases/controls | 260/242 | 272/273 | 277/294 | ||||
RR (95% CI) | Ref. | 0.90 (0.69-1.18) | 0.86 (0.64-1.16) | 0.47 | 0.89 (0.65-1.22) | 0.02 | 0.53 |
ER+ | |||||||
Cases/controls | 460/423 | 492/504 | 527/552 | ||||
RR (95% CI) | Ref. | 0.87 (0.71-1.06) | 0.85 (0.68-1.06) | 0.24 | 0.87 (0.68-1.10) | 0.02 | 0.72 |
ER–/PR– | |||||||
Cases/controls | 58/71 | 71/90 | 95/63 | ||||
RR (95% CI) | Ref. | 1.15 (0.65-2.02) | 2.54 (1.35-4.77) | 0.02 | 2.21 (1.11-4.40) | 0.30 | |
ER– | |||||||
Cases/controls | 101/119 | 103/112 | 123/96 | ||||
RR (95% CI) | Ref. | 1.21 (0.77-1.92) | 1.90 (1.17-3.09) | 0.04 | 1.76 (1.03-3.01) | 0.62 |