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Bioidentical Hormones - U.S. Senate Special Committee on Aging

Bioidentical Hormones - U.S. Senate Special Committee on Aging

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years of prior use, 11 vs 2; HR, 4.61;<br />

95% Cl, 1.01-21.02; and for women<br />

with >10 years of prior use, 9 vs 5;<br />

HR, 1.81; 95% Cl, 0.60-5.43, test for<br />

trend, z= 2 .17). No interacti<strong>on</strong>s<br />

between estrogen plus progestin and<br />

age, race/ethnicity, family history,<br />

naritvy age al first birth hbdv ma-s<br />

~-<br />

164<br />

RISKS AND BENEFITS OF ESTROGEN PLUS PROGESTIN<br />

m<strong>on</strong>e use ('as treated,' allowing for a period when the unopposed-estrogen<br />

6-m<strong>on</strong>th lag) produced more modest comp<strong>on</strong>ent was open to women with<br />

changes to these estimates. Analyses ex- a uterus and analyses stratifying by encluding<br />

women randomized during the rollment penod did not substantially<br />

igeure 4. Kaplan-Meriy Esb<strong>on</strong>ates of Cuanutbve Hazands for Globat Index and Death<br />

''-1 -6s - - . . . . ......<br />

index, or Gail-model risk score were<br />

O.'s G(O.lobalndor Death<br />

observed for invasive breast cancer. HA. .15 FR 0.08<br />

Further Analyses<br />

98s 5, e t5 .399 95% ac: o 70 1 32<br />

Because a number of women stopped<br />

study medicati<strong>on</strong>s during follow-up,<br />

several analyses were performed to ex-<br />

e<br />

amine the sensitiity of the pnncipal HR , //E.=9EgnPt.estimates<br />

to actual use of study medicati<strong>on</strong>s.<br />

Analyses that censored a woman's<br />

event history 6 m<strong>on</strong>ths after becoming<br />

n<strong>on</strong>adherent (using

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