Page 442 - An Evidence Review of Active Surveillance in Men With Localized Prostate Cancer
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Appendix Table C3.2. KQ3 multivariable analyses (continued)
                                            Author          Factors       Data source      Duration      Analyzed         Population         WW/AS          Methods          Results as described in paper
                                              yr                                                          sample        characteristics  definitions
                                             PMI
                                        Meng 167          Social,        CaPSURE           1989-       457              Men with           Not            Cox              Of the 457 men initially treated
                                        2003              clinical,                        2001                         localized          explicitly     proportional     with WW, 188 (41%) received
                                        14634396          delivery                                                      prostate cancer    provided       hazards          subsequent active treatment at a
                                                          system                                                        who chose WW                      models with      median of 1.7 yr.
                                                                                                                        as the initial                    backward
                                                                                                                        treatment within                  stepwise         1. Disease risk (D’Amico),
                                                                                                                        9 mo of the dx,                   regression         - High vs. low risk of prostate
                                                                                                                        no active                         (stay criteria   cancer: HR=2.75 (CI 1.84, 4.12);
                                                                                                                        treatment within                  p<0.1) for       P<.0001
                                                                                                                        6 months of                       active             - Intermediate vs. low risk of
                                                                                                                        initiating WW                     treatment        prostate cancer: HR=1.51 (CI
                                                                                                                        and >6 months                     (WW              1.05, 2.07); P=.028
                                                                                                                        of study                          interruption)    2. Age,
                                                                                                                        followup                                             - 65-74 vs. <65, HR=0.70 (CI
                                                                                                                                                                           0.41, 1.18); P=0.18
                                                                                                                                                                             - ≥75 vs. <65. HR=0.57 (CI 0.33,
                                                                                                                                                                           0.96); P=0.035
                                                                                                                                                                           3. Education level,
                                                                                                                                                                             - not college graduate vs. college
                                                                                                                                                                           graduate, HR=0.66 (CI 0.46, 0.94);
                                                                                                                                                                           P=0.021
                                                                                                                                                                             - unknown vs. college graduate,
                                                                                                                                                                           HR=0.68 (CI 0.42,1.10); P=0.11
                                        Koppie 168        Clinical       CaPSURE           NR          329              Men with           No therapy     Cox              Cox regression using only baseline
                                        2000                                                                            biopsy-            within 9 mo    proportional     variables:
                                        10840429                                                                        confirmed          of dx          hazards          1. age,
                                                                                                                        prostate cancer                   regression,        - 65-74 yr vs. <65 yr, HR=0.374
                                                                                                                        who elected                       including an     (CI 0.179, 0.784); P=0.009
                                                                                                                        WW as their                       analysis of        - ≥65 yr vs. <65 yr, HR=0.336
                                                                                                                        initial treatment.                time-            (CI 0.166, 0.679); P=0.002
                                                                                                                                                          dependent        2. clinical T stage at dx,
                                                                                                                                                          predictors         - T2 vs. T1, HR =1.833 (CI 1.123,
                                                                                                                                                          time-to-active  2.992); P=0.015
                                                                                                                                                          treatment/         - T3-T4 vs. T1, HR=1.149 (CI
                                                                                                                                                          WW               0.440, 3.002); P=0.777
                                                                                                                                                          interruption     3. PSA at dx, ng/ml
                                                                                                                                                                             - 4.1-10.0 vs. 0-4.0, HR=3.064
                                                                                                                                                                           (CI 1.352, 6.944); P=0.007
                                                                                                                                                                             - 10.1-20.0 vs. 0-4.0, HR=3.680




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