──TestingSurvivalCurveDifferences──────────────────────────────────────────`survival::survdiff()`foundap-valueof0.001.suggestssurvivaldifferencesbetweengroupsarestatisticallysignificant.──TestingProportionalHazardsAssumption───────────────────────────────────────CoxProportionalHazardsModel──`survival::coxph()`output:coefexp(coef)se(coef)zPr(>|z|)groupFemale-0.53102350.58800280.1671786-3.1763850.001491229Theexp(coef)columnshowsthehazardratiowas0.588.`survival::cox.zph()`foundap-valueof0.091.suggeststhePHassumptionmaybevalid.──Plots──Schoenfeldresidualsandlogcumulativehazardplotshavebeenprinted.PHtestsmaynotalwaysagree,soconsidertheresultsofalltestsandplotsintotality.────────────────────────────────────────────────────────────────────────────────Formoreinformation,run`View()`onsaved`test_ph()`output.