Improperly aligned columns have cost researchers at the Mayo Clinic a paper in theĀ Journal of the American College of Cardiology.
The paper originally concluded that fainting spells (syncope) give patients with high blood pressure in their lung arteries poor prognoses, an observation that turned out to be incorrect.
The problem? The group merged two electronic databases, but did not align columns properly, a problem found only after first author Rachel Le revisited the dataset looking to cull more data.
The retraction notice published on May 22 (the one on ScienceDirect is free to air, while the one on the JACC site is behind a paywall): Continue reading Not for the faint of heart: Cardiologists retract syncope paper after realizing data columns weren’t aligned right