Res-index
Khan et al. introduced the Res-index, a metric that is normalized by postgraduate year (m-quotient), resident involvement (AV), quantity (number of publications), and impact (number of citations).
The metric used to rank intraresidency productivity was the Resident index (Res-index; summed and corrected for number of residents within the program) 1).
1)
Khan NR, Saad H, Oravec CS, Norrdahl SP, Fraser B, Wallace D, Lillard JC,
Motiwala M, Nguyen VN, Lee SL, Jones AV, Ajmera S, Kalakoti P, Dave P, Moore KA,
Akinduro O, Nyenwe E, Vaughn B, Michael LM, Klimo P Jr. An Analysis of
Publication Productivity During Residency for 1506 Neurosurgical Residents and
117 Residency Departments in North America. Neurosurgery. 2018 May 30. doi:
10.1093/neuros/nyy217. [Epub ahead of print] PubMed PMID: 29850872.