Page 544 - An Evidence Review of Active Surveillance in Men With Localized Prostate Cancer
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Appendix Table C4.5: Cost comparisons of watchful waiting with active treatments

                                  Author           Design           Data          Years          N                   Methods             Costs               WW                                       Notes
                                  year                              source                       Population                                                 (95%           RP              RT
                                  UI                                                             characteristics                                             CI)        (95% CI)        (95% CI)
                                  Snyder 159       Retrospective  SEER-           2000,          WW = 2805           Costs from          Incremental                  RP              RT              Required
                                  2010             cohort study     Medicare      followed for   RP                  Medicare            costs vs.                    monotherapy  monotherapy  patients to
                                  20734396         (also includes                 5 yr           monotherapy =       adjusted for        control:                                                     have
                                                   a comparison                                  2200                inflation to 2007                                                                survived at
                                                   with a non-                                   RT                  dollars and         Yr 1              $ 3936   $ 15,556                          least 9 mo
                                                   cancer                                        monotherapy =       geographic                            (3078-     (14,835-        $ 12,319        post
                                                   control                                       2582                region;                               4794)      16,277)         (11,419-        diagnosis;
                                                   group)                                                            discounted 3%                                                    13,219)         total costs
                                                                                                                                  st
                                                                                                 Total N =           per yr after 1      Total over 5 yr   $ 8535   $ 19,481                          were only
                                                                                                 13,769              yr; grouping                          ($         ($ 17,538-      $ 16,653        calculated for
                                                                                                 (included 3992      based on                              6223-      $ 21,424)       ($ 14,228-      years during
                                                                                                 patients            treatment                             $                          $ 19,078)       which the
                                                                                                                               st
                                                                                                 receiving           received 1  9                         10,847)                                    patient
                                                                                                 hormonal            mo; estimates                                                                    survived.
                                                                                                 therapy + RT or  were derived
                                                                                                 medical pADT)       from IPTW
                                                                                                                     analysis using a
                                                                                                 ≥65 yr; lived in    propensity score
                                                                                                 SEER regions,       accounting for
                                                                                                 clinically          age, race,
                                                                                                 localized           comorbidity,
                                                                                                 prostate cancer     SEER region,
                                                                                                                     urban/rural
                                                                                                 Control group       location,
                                                                                                 (n=13,769;          socioeconomic
                                                                                                 matched for         status and
                                                                                                 age, sex, race,     grade
                                                                                                 region,
                                                                                                 comorbidity,
                                                                                                 survival)


















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