@nn
rrrditt.bsky.social
@nn
@rrrditt.bsky.social
epidemiology
Reposted by @nn
1/
If you were taught to test for proportional hazards, talk to your teacher.

The proportional hazards assumption is implausible in most #randomized and #observational studies because the hazard ratios aren't expected to be constant during the follow-up. So "testing" is futile.

But there is more 👇
February 3, 2025 at 2:51 PM
The best things to happen to veganism?
January 31, 2025 at 12:53 PM
Reposted by @nn
The price of eggs in the US is spiking, mostly due to #H5N1 bird flu. Solving the problem requires urgent, important communications from the CDC & FDA* and rapid development of research by the NIH**

* Currently paused by Executive Order
** Grant reviews now all canceled
www.kcur.org/news/2025-01...
Egg prices are soaring again. Here’s why and what to expect
Bird flu has killed millions of hens in recent weeks, shrinking the supply of eggs and hiking up prices at grocery stores.
www.kcur.org
January 23, 2025 at 5:18 PM
January went by so fast...
January 31, 2025 at 10:06 AM
Reposted by @nn
My vote - if p=0.055 is "marginally significant" then p=0.038 is "marginally insignificant".
January 13, 2025 at 11:58 PM