The absolute risk reduction was about 0.1%, but the relative risk reduction from 5 cases of cancer mortality to 4 is 20%.

绝对风险降低了大约 0.1%，而癌症死亡率从 5 例降至 4 例，相对风险降低了 20%。

The relative reduction in heart attack risk sounds substantial and the absolute risk of cancer sounds small, but they work out to about the same number of cases.

心脏病发作风险的相对降低听起来很可观，而癌症的绝对风险听起来很小，但它们的结果却是类似的。