Letter of Recommendation Characteristics Associated with Interview Offer to a Vascular Surgery Residency Program

Area of Science:

• Medical Education
• Surgical Residency Admissions
• Application Review Process

Background:

• Letters of recommendation (LORs) are critical components of residency applications.
• The shift of United States Medical Licensing Examination (USMLE) Step 1 to a pass/fail system heightens the importance of LORs.
• The specific impact of LOR characteristics on securing residency interviews remains under investigation.

Purpose of the Study:

• To identify applicant and letter of recommendation characteristics associated with receiving a residency interview invitation.
• To analyze the influence of letter writer credentials and content on interview selection.

Main Methods:

• A retrospective analysis of 264 vascular surgery residency applications over two cycles.
• Utilized Linguistic Inquiry and Word Count (LIWC) software to analyze LOR content.
• Multivariable analysis was employed to determine associations between applicant, letter writer, and LOR characteristics and interview invitations.

Main Results:

• Applicants from top 50 medical schools and institutions with home vascular surgery programs were more likely to receive interview invitations.
• Letters from vascular surgeons, program directors, and those with references to research and teaching were significantly associated with interview offers.
• Letters from away institutions, chairs, and chiefs, as well as Alpha Omega Alpha membership, also correlated positively with interview invitations.

Conclusions:

• Successful residency applicants often have LORs authored by vascular surgeons and program directors.
• LORs that highlight research and teaching contributions are more likely to secure interviews.
• Higher academic rank of letter writers and assertive language in LORs may positively influence interview selection.