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  1. #1
    NewHopeR is offline Senior Member
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    Default Adjustment for atrophy, white matter hyperintensities, lacunes, and vascular risk ?

    Does " Adjustment for atrophy, white matter hyperintensities, lacunes, and vascular risk factors" mean " Adjustment according to atrophy risk factor, white matter hyperintensities risk factor, lacunes risk factor, and vascular risk factor"?

    Context:

    Objective: To investigate the relationship between brain microbleeds (MBs) and the rate of cognitive decline in Alzheimer disease (AD).

    Methods: In this cohort study, we studied 221 patients with AD with available baseline MRI scans (1.0 or 1.5 T) and at least 2 Mini-Mental State Examinations (MMSE) scores obtained more than 1 year apart from our memory clinic. Mean SD follow-up time was 3 1 years, and patients had a median of 4 MMSE scores (range 217). We used linear mixed models with sex and age as covariates to investigate whether MBs influenced the rate of cognitive decline.

    Results: Mean age was 68 9 years, 109 (49%) patients were female, and the baseline MMSE score was 22 4. There were 39 patients (18%) with MBs (median 2, range 127) and 182 without. Linear mixed models showed that overall patients declined 2 MMSE points per year. We found no association of the presence of MBs with baseline MMSE or change in MMSE. Adjustment for atrophy, white matter hyperintensities, lacunes, and vascular risk factors did not change the results nor did stratification for MB location, APOE ε4 carriership, or age at onset (≤65 years vs >65 years). Repeating the analyses with number of MBs as predictor rendered similar results.

    Conclusion: MBs did not influence the rate of cognitive decline in patients with AD. The formerly reported increased risk of mortality in patients with MBs seems not to be attributable to a steeper rate of decline per se but might be due to vascular events, including (hemorrhagic) stroke.

  2. #2
    Tdol is offline Editor, UsingEnglish.com
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    Default Re: Adjustment for atrophy, white matter hyperintensities, lacunes, and vascular risk

    I think it means adjustments to take these factors into account.

  3. #3
    Raymott's Avatar
    Raymott is offline VIP Member
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    Default Re: Adjustment for atrophy, white matter hyperintensities, lacunes, and vascular risk

    Quote Originally Posted by NewHopeR View Post
    Does " Adjustment for atrophy, white matter hyperintensities, lacunes, and vascular risk factors" mean " Adjustment according to atrophy risk factor, white matter hyperintensities risk factor, lacunes risk factor, and vascular risk factor"?

    Context:

    Objective: To investigate the relationship between brain microbleeds (MBs) and the rate of cognitive decline in Alzheimer disease (AD).

    Methods: In this cohort study, we studied 221 patients with AD with available baseline MRI scans (1.0 or 1.5 T) and at least 2 Mini-Mental State Examinations (MMSE) scores obtained more than 1 year apart from our memory clinic. Mean SD follow-up time was 3 1 years, and patients had a median of 4 MMSE scores (range 2–17). We used linear mixed models with sex and age as covariates to investigate whether MBs influenced the rate of cognitive decline.

    Results: Mean age was 68 9 years, 109 (49%) patients were female, and the baseline MMSE score was 22 4. There were 39 patients (18%) with MBs (median 2, range 1–27) and 182 without. Linear mixed models showed that overall patients declined 2 MMSE points per year. We found no association of the presence of MBs with baseline MMSE or change in MMSE. Adjustment for atrophy, white matter hyperintensities, lacunes, and vascular risk factors did not change the results nor did stratification for MB location, APOE ε4 carriership, or age at onset (≤65 years vs >65 years). Repeating the analyses with number of MBs as predictor rendered similar results.

    Conclusion: MBs did not influence the rate of cognitive decline in patients with AD. The formerly reported increased risk of mortality in patients with MBs seems not to be attributable to a steeper rate of decline per se but might be due to vascular events, including (hemorrhagic) stroke.
    It means the results didn't change after adjustment for the following things: 1. atrophy, 2. white matter hyperintensities, 3. lacunes, and 4. vascular risk factors.

  4. #4
    NewHopeR is offline Senior Member
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    Default Re: Adjustment for atrophy, white matter hyperintensities, lacunes, and vascular risk

    Quote Originally Posted by Raymott View Post
    It means the results didn't change after adjustment for the following things: 1. atrophy, 2. white matter hyperintensities, 3. lacunes, and 4. vascular risk factors.
    Excellent!

    "For" means "according to" here?

  5. #5
    Raymott's Avatar
    Raymott is offline VIP Member
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    Default Re: Adjustment for atrophy, white matter hyperintensities, lacunes, and vascular risk

    Quote Originally Posted by NewHopeR View Post
    Excellent!

    "For" means "according to" here?
    That depends on what you mean by "according to". But I think you understand it.
    If there is atrophy, etc, you need to make some adjustment to the results.

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