Controversy over survival with multiple melanomas ‘settled’

Incorrect statistical methods can skew views on prognosis, Australian researchers say
Clare Pain
melanoma

People with more than one primary melanoma are 39% more likely to die than those who have only one primary melanoma, according to a study that researchers claim settles a controversy.

Opposing reports of the effect on survival of having more than one primary melanoma may be because of the use of inappropriate statistical methods, Australian researchers say.