The Meaning of the Median
Eight months ago today I was lying on the couch eating Trader Joe's fish sticks. Those days, I was so short of breath that sitting at the dinner table and eating was a lot of effort, so I took most of my meals on the couch. The phone rang, and I got the terrible news: the biopsy confirmed that I had cancer. Eight months. I am officially at the median survival time predicted by the (most likely outdated) statistics. What better day than today to dust off Stephen Jay Gould's great essay, " The Median Isn't the Message ," writing that is often circulated among cancer patients, with good reason. He does a great job of explaining why he felt confident that he would outlive his cancer's median survival of eight months (and he did). He reminds himself, and us, that the median tells us 50% of the people with this disease will live longer than that point. The right tail of this graph can stretch out for quite a ways, and based on reports from several lung cancer patie...