Overall, after age adjustment, males have higher rates of cancer (for all cancers) than females. The ratio between the total counts for males and females is referred to as standardised incidence ratio and is given in this case by 1.12;
Call to Action
Now it's your turn. I have provided you the following table, where you can plug in the numbers as I have shown above and based on your calculations, can you tell if the Maoris in New Zealand have higher or lower rates of melanoma? If so, by how much? (In answering this question, fill in the empty cells using a hand calculator and calculate the standardised incidence ratio)