Someone explain to me why so many centenarians from NHANES have FH? They should have died 70 years ago without a statinpic.twitter.com/n0ZmjSDTL8
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But you'd still be seeing survivorship bias there. You're seeing the people who, for whatever reason, can be in that state and live for a long time. Doesn't say much about the rest of the population imo
Survivorship bias makes sense if we were testing these 100/101 year olds a year earlier. But I'm emphasizing these markers (high LDL, high HDL, low TG) were taken 15 years earlier when they were age 84/85. The other 118 of those 84/85 taken at that time are not centenarians.
Well, the sample size is still tiny. But even so, the case-control you're suggesting would definitely be open to survivorship bias, because you're selecting people who have lived a very long time. More appropriate to start at, say 50, and see how many make it to 100
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