Table 4

Cross-classification of model A risk decilea × model B risk decileb

Model B risk decile


1
2
3
4
5
6
7
8
9
10
Slope
SE
P value

Model A risk decile
Cases/py
Cases/py
Cases/py
Cases/py
Cases/py
Cases/py
Cases/py
Cases/py
Cases/py
Cases/py





(Rate)
(Rate)
(Rate)
(Rate)
(Rate)
(Rate)
(Rate)
(Rate)
(Rate)
(Rate)




1
41/61,883
13/12,253
0/756
0/20
0/2
0/0
0/0
0/0
0/0
0/0
0.471
0.318
0.14

(66)
(106)
(0)
(0)
(0)
(-)
(-)
(-)
(-)
(-)



2
9/12,317
34/42,222
36/17,656
7/2,535
1/187
0/6
0/0
0/0
0/0
0/0
0.593
0.129
<0.001

(73)
(81)
(204)
(276)
(535)
(0)
(-)
(-)
(-)
(-)



3
0/694
9/17,749
46/34,208
31/18,339
8/3,678
1/241
0/8
0/0
0/0
0/0
0.396
0.126
0.002

(0)
(51)
(134)
(169)
(218)
(415)
(0)
(-)
(-)
(-)



4
0/18
1/2,567
18/18,588
42/31,754
43/18,223
13/3,547
1/217
0/6
0/0
0/0
0.48
0.102
<0.001

(0)
(39)
(97)
(132)
(236)
(367)
(461)
(0)
(-)
(-)



5
0/0
0/132
5/3,477
13/18,417
47/31,547
50/18,268
18/3,010
2/158
0/0
0/0
0.565
0.085
<0.001

(-)
(0)
(144)
(71)
(149)
(274)
(598)
(1,000)
(-)
(-)



6
0/0
0/2
1/231
3/3,635
21/18,333
50/32,782
54/17,504
13/2,363
0/70
0/0
0.469
0.088
<0.001

(-)
(0)
(433)
(83)
(68)
(153)
(309)
(550)
(0)
(-)



7
0/0
0/0
0/2
0/210
2/2,922
22/17,752
76/35,260
46/17,428
9/1,351
0/0
0.44
0.099
<0.001

(-)
(-)
(0)
(0)
(68)
(124)
(216)
(264)
(666)
(-)



8
0/0
0/0
0/0
0/10
0/116
4/2,272
31/17,599
87/35,817
79/16,063
1/339
0.5
0.091
<0.001

(-)
(-)
(-)
(0)
(0)
(176)
(176)
(226)
(492)
(295)



9
0/0
0/0
0/0
0/0
0/0
0/52
4/1,326
25/16,137
140/46,314
65/11,093
0.553
0.099
<0.001

(-)
(-)
(-)
(-)
(-)
(0)
(302)
(155)
(302)
(586)



10
0/0
0/0
0/0
0/0
0/0
0/0
0/0
1/305
21/11,127
315/63,483
0.841
0.207
<0.001

(-)
(-)
(-)
(-)
(-)
(-)
(-)
(328)
(189)
(496)



Overall










0.511
0.034
<0.001

aModel A, standard risk prediction model without estradiol. bModel B, standard risk prediction model plus imputed estradiol. py, person-years; SE, standard error.

Rosner et al. Breast Cancer Research 2008 10:R55   doi:10.1186/bcr2110