Again, the insistence with cherry-picking results. Shame.
Conclusions: Common vaccines were not associated with a decreased risk of dementia. Unmeasured confounding and detection bias likely accounted for the observed increased risk.
Continuing the same paragraph: “Applying a 10-year lag period […] and comparing versus prostate cancer screening […] but not breast cancer screening […] attenuated the risk increase.“
The “attenuated” in this case means “weakened the case for”.
Or, in other words, we found a correlation without finding any causation.
Conclusions: Common vaccines were not associated with a decreased risk of dementia. Unmeasured confounding and detection bias likely accounted for the observed increased risk.