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A log-rank test revealed a significant association between combination therapy and a lower 28-day mortality rate (hazard ratio 0.49, 95% confidence interval 0.29 0.82, P = 0.006) in the matched pairs.
A Cox proportional hazards model was used for incidence rate (hazard rate) of the onset of diagnosis, across patients.
Increased BMI was associated with a higher CSS rate (hazard ratio (HR), 0.888 per kg m 2; 95% confidence interval (95% CI), 0.803 0.982; P=0.803 0.982
In contrast, nuclear expression of cyclin D1 protein was associated with decreased recurrence rate (hazard ratio = 0.6; 95% confidence interval, 0.39 to 0.92).
Axillary lymph node dissection increased the hazard rate (hazard ratio 1.29, 1.21 to 1.38; P<0.001), and breast conserving therapy decreased it (0.87, 0.81 to 0.93; P<0.001).
Higher cytoplasmic survivin expression levels were significantly associated with a poorer 5-year disease-free survival rate (hazard ratio=2.114; 95% CI=1.131 3.952; P=0.0387).
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Using the decomposition, I simulate what effects these errors have on divorce rates, hazard models, and indicators of divorce calculated from survey data.
The impact of fiscal consolidation is assessed on cyclical unemployment, on job separation and finding rates (hazard rates), and on the share of long-term unemployment.
Neither overall survival (OS) nor disease-free survival was associated with IHC positivity; however, patients who had IHC-positive N2 LNs had statistically significantly worse survival rates (hazard ratio, 2.04, P =.017).
After adjustment for patients' characteristics and social subsidies, major teaching hospitals had the lowest mortality rates (hazard ratio for death, 0.75, as compared with for-profit hospitals; 95percentt confidence interval, 0.62 to 0.91).
Regarding data on job separation and job finding rates (hazard rates), the have been constructed as described in Arpaia and Curci (2010), following the methodology proposed by Shimer (2007).
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