On: Cognitive deficits in people who have recovered from Covid-19

[fighterpilot]

"Regression of the same linear model with respiratory severity as the predictor indicated that people who were ill would on average be expected to have marginally higher as opposed to lower cognitive performance."

Doesn't this show no effect after controlling for confounders?

[vghjfhg → fighterpilot]

I was just pointing out an obvious contradiction. I don't really have a clue. Maybe somebody else can elucidate.