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Ten years after breast cancer diagnosis, women with multiple sclerosis (MS) had higher mortality than women without MS, a Canadian case-control study showed.
MS was associated with a 28% increased hazard for all-cause mortality (HR 1.28, 95% CI 1.08-1.53), but not with cancer-specific survival (HR 0.98, 95% CI 0.65-1.46), reported Ruth Ann Marrie, MD, PhD, of the University of Manitoba in Winnipeg, and colleagues in
"Although multiple sclerosis and its complications remain the most common cause of death in people with MS, cancer is the second or third most common cause of death," Marrie said in a statement. "Our study looked at whether survival rates for women after a breast cancer diagnosis were different for those with MS and those without it."