A total of 1,047 patients, or 13.2% of the sample [with the GID diagnosis] underwent 1 or more gender-affirming surgeries from 2009 to 2015, with the number of patients undergoing surgeries increasing over the sample period (Fig. (Fig.4).4). There were a total of 401 mastectomies, 60 phalloplasties, 189 hysterectomies, 62 breast augmentations,193 vaginoplasties and 93 orchiectomies in the sample. Mastectomy was the most common procedure represented within the sample, accounting for 11.7% of all procedures. Phalloplasty was the least common procedure, accounting for 5.7% of all surgical cases.