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. Author manuscript; available in PMC: 2010 Jun 15.
Published in final edited form as: Clin Cancer Res. 2009 Jun 9;15(12):4165–4173. doi: 10.1158/1078-0432.CCR-09-0119

Table 2.

Association of Val16Ala with 10-year breast cancer survival

Univariate Multivariate*
HR (95% CI) P-value HR (95% CI) P-value
Combined analysis (n=573) (n=465)
Val/Val 1 (ref.) 1 (ref.)
Val/Ala 1.27 (0.87–1.84) 0.215 1.26 (0.83–1.91) 0.274
Ala/Ala 1.96 (1.30–2.94) 0.001 2.19 (1.39–3.34) 0.001
Val/Ala & Ala/Ala 1.47 (1.03–2.09) 0.034 1.52 (1.03–2.25) 0.033
Ptrend 0.001
Val/Val & Val/Ala 1 (ref.) 1 (ref.)
Ala/Ala 1.67 (1.22–2.27) 0.001 1.91 (1.36–2.67) <0.001
US Cohort (n=244) (n=183)
Val/Val 1 (ref.) 1 (ref.)
Val/Ala 1.62 (0.93–2.81) 0.088 1.58 (0.84–2.96) 0.155
Ala/Ala 2.24 (1.20–4.18) 0.011 2.44 (1.11–5.37) 0.027
Val/Ala & Ala/Ala 1.78 (1.05–3.00) 0.031 1.75 (0.96–3.18) 0.067
Ptrend 0.011
Val/Val & Val/Ala 1 (ref.) 1 (ref.)
Ala/Ala 1.63 (1.00–2.66) 0.050 1.71 (0.96–3.06) 0.066
Norway Cohort (n=329) (n=282)
Val/Val 1 (ref.) 1 (ref.)
Val/Ala 1.04 (0.62–1.73) 0.880 0.88 (0.49–1.56) 0.662
Ala/Ala 1.73 (1.01–2.97) 0.047 1.91 (1.06–3.45) 0.031
Val/Ala & Ala/Ala 1.24 (0.77–2.01) 0.369 1.22 (0.73–2.05) 0.448
Ptrend 0.033
Val/Val & Val/Ala 1 (ref.) 1 (ref.)
Ala/Ala 1.68 (1.12–2.52) 0.012 1.98 (1.30–3.01) 0.002
*

Cox Proportional-Hazards regression with adjustments for age at diagnosis, cohort, race, tumor size, nodal involvement, tumor grade, estrogen receptor status and p53 mutation.