Supplement table 2. Administrative data codes used to define our study outcomes.

OHIP codes CCI codes (after CCP codes (prior 2002) to 2002) 1. Fistula repairs Vesicovaginal S523, S524 1.PM.86^^ Ureterovaginal S459, S729 1.PG.86.^^ Urethrovaginal S709 1.PQ.86.^^ Vesicorectal/vesicosigmoid S525 1.NQ.86.^^ Colovaginal/enterovaginal 1.NP.86.^^ Rectovaginal/sigmoidovaginal S231 1.NQ.86.^^ Closure of other fistula of 68.84 Closure of other fistula of 70.33 Closure of other fistula of bladder 69.73 Repair of fistula of vagina 82.62 Closure of fistula of large intestine 58.76 Closure of other rectal fistula 60.63 Closure of perirectal fistula 60.93 Incision or excision of anal fistula 61.1 Closure of anal fistula 61.63 Repair, fallopian tube (incl correction, fistula) 1.RF.80.^^

2. Ureteral repair Repair, ureter 1.PG.80.^^ 68.8 Excision partial, ureter 1.PG.87.^^ Bypass, ureter 1.PG.76.^^ Bypass with exteriorization, ureter 1.PG.77.^^ Percutaneous Z629 1.PE.52.^^ Ureteral reimplantation S451, S561, S427 1.PG.80.^^ 68.72 S457 68.73 Ileal ureteral replacement S454 Endoscopic ureterotomy or pyelotomy Z636 1.PE.59.^^ Ureterocalicostomy 1.PE.76.^^ Cutaneous S458, S459 1.PE.52.^^ Ureterotomy 68.2 Cutaneous ureterostomy 68.4, 68.5 Other anastomosis or bypass of ureter 68.79 Ureteral dilation/endopyelotomy Z636 1.PE.50.DA.BD 1.PE.50.DA.BJ 1.PE.50.DA.BF 1.PE.50.DA.BI 1.PE.50.BA.BF 1.PE.50.BA.BI 1.PE.50.BA.GX Other anastomosis or bypass of ureter 68.7 Other repair of ureter 68.89 Other operation on ureter NEC 68.99

3. Stress procedures Urethral sling S548, S815 1.PL.74.AF.FF 71.6 1.PL.74.AL.FF 1.PL.74.AL.XXN 1.PL.74.CR.XXN Retropubic urethropexy S549, S546 1.PL.74.CR 71.5 1.PL.74.DA 1.PL.74.PK 1.PL.74.PK.NW 1.PL.74.CA 1.PL.74.LA.NW Pubovaginal slings (aka Abdominal/vaginal, mesh S728, S730, S740, S731, S732, S733, 1.PL.74.AF.XXA 71.4 or autologous) S748, S749, S751 1.PL.74.CR.XXK 1.PL.74.LA.XXA 1.PL.74.AL.XXA 1.PL.74.AF.XXK 1.PL.74.AF.XXL 1.PL.74.AF.XXQ 1.PL.74.LA.XXK 1.PL.74.LA.XXQ 1.PL.74.DA.XXL 1.pl.74.fx.xn 1.PL.74.DA.XN Periurethral bulking agents E791 1.PQ.35.HA.Z9 1.PL.35.BA.W2 1.PL.35.BA.W0 1.PQ.35.BA.W2 1.PQ.35.BA.Z9 1.PQ.35.HA.W2 1.PL.35.BA.T9 1.PQ.35.HA.T9 1.PL.80.BA.W0 1.PL.35.HA.T9 1.PL.35.HA.W2 1.PL.80.BA.W2 1.PQ.35.HA.W8 1.PL.35.HA.W0 1.PQ.35.BA.W8 Other repair of SUI 71.7, 71.2, 71.3

4. Minimally invasive urologic procedures Z606, Z607 2.PM.70.^^ 1.34 Catheterization z602, z603, z611 1.PM.52.^^ except 69.11, 69.16, LA-TS 69.94, 69.95 Urethral dilatation/ z622, z620, z615, s530, s532, s538 1.PL.50.^^ 70.5 1.PQ.50.^^ Calculi/clot removal z608, e783, e789, s521 1.PM.56.^^ 69.93 1.PM.57.^^ 1.PM.59.^^ Urodynamics G475, G192, G193, G194, G447 Cystoscopy and ureteral catheterization E818, E773 1.PE.50.BA.BD 1.PE.50.BA.BJ

5. Other open abdominal surgeries Bowel resection small intestine S164, S165 1.NK.87.^^ 57.32, 57.4 large intestine S166, S167, S188 1.NM.87.^^ 57.33, 57.5 rectum S229 1.NQ.87.^^ unspecified 57.31 Bowel repair S184, S185 1.NK.80^^ 58.7, 1.NM.80.^^ 1.NQ.80.^^ Repair of bladder neck S519 1.PL.80.LA 69.74 1.PL.80.LA.XXF 1.PL.80.LA.XXG 1.PL.80.DA 1.PL.80.LA.XXE S484, S485, S453, S440 1.PM.89.^^ 69.51, 69.59 1.PM.91.^^ Ureteroileal conduit S452 Cystotomy S478, Z480 1.PM.52.LA-TS 69.13, 69.14, 69.15

6. Secondary malignancies OCR ICD-10 Codes OCR ICD-9 Codes Breast C50 174 CNS/Eye C69-C72 190-192 Otolaryngology C00-C14 140-149 Thyroid and endocrine C73-C75 193-194 Gastrointestinal C15-C26 150-157 GI – rectal/anal C20-C21 154 GI – non-rectal C15-C19, C22-C26 150-153, 155-157 Genitourinary C64-C68 188-189 GU – bladder C67 188 GU – non-bladder C64-C66, C68 189 Gynecologic (EXCLUDING cervical) C51, C52, C54-C58 179, 181-184 Hematologic C81-C96 200-208 Lung/respiratory C30-C39 150-165 Skin C43-C44 172-173 Soft tissue and bone C45-C49, C40-C41 170-171 Neuroendocrine tumors C7A, C7B 209