"The bias that Ms. Sarsons documents is so large that it may account on its own for another statistic: Female economists are twice as likely to be denied tenure

"The bias that Ms. Sarsons documents is so large that it may account on its own for another statistic: Female economists are twice as likely to be denied tenure as their male colleagues." Aren't they using earned tenure as the metric to determine whether someone did or did not get credit? Seems like that's really just one point then rather than two. Unless I'm missing something.