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TABLE 65Cox proportional hazards regression models for time to MCBC occurrence in BCS cohort

nN%Univariate Cox regressionMultiple Cox regression
HR95% CIp-valueHR95% CIp-value
Age (years)
≤ 34113503.11.620.88 to 2.980.1241.540.82 to 2.860.177
35–495535131.60.870.64 to 1.190.3900.850.62 to 1.160.294
50–6415085111.8(1.00)
65–743334910.90.620.43 to 0.900.0120.610.42 to 0.890.010
75–79610340.60.360.16 to 0.810.0140.340.15 to 0.770.010
80+58070.60.490.20 to 1.190.1160.460.18 to 1.140.093
Grade
16941931.6(1.00)(1.00)
210276971.30.910.67 to 1.240.5580.920.68 to 1.260.623
37953881.51.110.81 to 1.530.5241.060.75 to 1.490.756
Unknown104282.31.270.69 to 2.350.4391.400.71 to 2.760.329
Size (mm)
≤ 104534731.3(1.00)(1.00)
> 10 to < 2012586631.41.130.80 to 1.590.4851.250.88 to 1.760.217
≥ 207448851.51.350.93 to 1.960.1091.601.08 to 2.380.019
Size cat. unknown166852.31.540.90 to 2.630.1151.811.01 to 3.220.044
Nodes
018311,6301.6(1.00)(1.00)
1–33833671.10.750.53 to 1.060.1000.720.50 to 1.030.075
4+1912321.51.190.74 to 1.910.4731.200.73 to 1.960.479
Unknown2014771.40.890.58 to 1.380.6081.070.67 to 1.730.771
Vascular invasion
No20412,8871.6(1.00)(1.00)
Yes4335591.20.800.57 to 1.110.1750.740.52 to 1.050.096
Unknown1312601.00.680.41 to 1.130.1390.580.33 to 1.010.053

HR, hazard ratio.

N is the size of the subgroup, n is the number of events in that subgroup.

From: Appendix 25, Univariate Cox regression models for the WMCIU cohorts

Cover of The Clinical Effectiveness and Cost-Effectiveness of Different Surveillance Mammography Regimens After the Treatment for Primary Breast Cancer: Systematic Reviews, Registry Database Analyses and Economic Evaluation
The Clinical Effectiveness and Cost-Effectiveness of Different Surveillance Mammography Regimens After the Treatment for Primary Breast Cancer: Systematic Reviews, Registry Database Analyses and Economic Evaluation.
Health Technology Assessment, No. 15.34.
Robertson C, Arcot Ragupathy SK, Boachie C, et al.
© 2011, Crown Copyright.

Included under terms of UK Non-commercial Government License.

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