https://www.researchgate.net/publication/249718828_Does_Victim_Gender_Increase_Sentence_Severity_Further_Explorations_of_Gender_Dynamics_and_Sentencing_Outcomes

"Offenders who victimize females receive sentences that are, on average, 4.179 years longer than those for offenders who victimize males. [...] Male offenders receive an average of 6.727 additional years to their sentences compared to female offenders. [...] When male offenders victimized females, such cases received sentences that range from 4.348 to 10.385 years longer than the other victim gender/offender gender combinations."