If you were to calculate a Rate Difference for the relationship of body mass index and ER-positive breast cancers and test for statistical significance, what is your Null Hypothesis?
If you were to calculate a Rate Difference for the relationship of body mass index and ER-positive breast cancers and test for statistical significance, what is your Null Hypothesis?
MATLAB: An Introduction with Applications
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Author:Amos Gilat
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If you were to calculate a Rate Difference for the relationship of body mass index and ER-positive breast cancers and test for statistical significance, what is your Null Hypothesis?
![Table 2. Relative risks (RRS) and 95% confidence intervals (CIs) for second cancers after invasive breast cancer associated with body mass index
(per 5 kg/m²), Kaiser Permanente Breast Cancer Survivors Cohort (1990-2017)
Outcome
All cancers
Obesity-related cancers
Breast cancers
ER-positive breast cancers
No. of cancers
822
508
333
231
Person-years
47 691
47 691
47 691
47 691
Unadjusted
RR (95% CI)
1.05 (1.00 to 1.11)
1.09 (1.02 to 1.17)
1.09 (1.00 to 1.19)
1.12 (1.01 to 1.24)
pb
.06
.01
.046
.03
Adjusteda
RR (95% CI)
1.07 (1.01 to 1.14)
1.13 (1.05 to 1.21)
1.11 (1.02 to 1.21)
1.15 (1.04 to 1.27)
pb
.01
<.001
.01
.008
Adjusted for study site, race and ethnicity, age, comorbidity index, receipt of radiation, receipt of chemotherapy, receipt of hormonal therapy, ER and PR status, stage,
and year of initial breast cancer diagnosis.
bP values reflect 2-sided x² tests.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2b1ed586-f4bf-462f-a45c-532400ed5d43%2F56d0fd12-ccdd-4a99-9692-694caf1eebf2%2F3n0jemf_processed.png&w=3840&q=75)
Transcribed Image Text:Table 2. Relative risks (RRS) and 95% confidence intervals (CIs) for second cancers after invasive breast cancer associated with body mass index
(per 5 kg/m²), Kaiser Permanente Breast Cancer Survivors Cohort (1990-2017)
Outcome
All cancers
Obesity-related cancers
Breast cancers
ER-positive breast cancers
No. of cancers
822
508
333
231
Person-years
47 691
47 691
47 691
47 691
Unadjusted
RR (95% CI)
1.05 (1.00 to 1.11)
1.09 (1.02 to 1.17)
1.09 (1.00 to 1.19)
1.12 (1.01 to 1.24)
pb
.06
.01
.046
.03
Adjusteda
RR (95% CI)
1.07 (1.01 to 1.14)
1.13 (1.05 to 1.21)
1.11 (1.02 to 1.21)
1.15 (1.04 to 1.27)
pb
.01
<.001
.01
.008
Adjusted for study site, race and ethnicity, age, comorbidity index, receipt of radiation, receipt of chemotherapy, receipt of hormonal therapy, ER and PR status, stage,
and year of initial breast cancer diagnosis.
bP values reflect 2-sided x² tests.
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