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Table 5 Estimated excess hazard ratio (EHR) for variable surgery separated by time interval for breast cancer cases in Kelantan Cancer Registry

From: Modelling excess mortality among breast cancer patients in the North East Region of Peninsular Malaysia, 2007–2011: a population-based study

SurgeryTime interval
Interval 1 (0–1 year)Interval 2 (1–2 year)Interval 3 (2–3 year)Interval 4 (3–6 year)Interval 5 (6–10 year)
No1.001.001.001.001.00
Yes0.190.650.601.590.31