Per K Andersen
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Explore the profile of Per K Andersen including associated specialties, affiliations and a list of published articles.
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44
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710
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Recent Articles
1.
Parner E, Andersen P, Overgaard M
Lifetime Data Anal
. 2023 May;
29(3):654-671.
PMID: 37157038
Jack-knife pseudo-observations have in recent decades gained popularity in regression analysis for various aspects of time-to-event data. A limitation of the jack-knife pseudo-observations is that their computation is time consuming,...
2.
Danielsen S, Joensen A, Andersen P, Madsen T, Strandberg-Larsen K
Nat Hum Behav
. 2023 Jan;
7(3):411-419.
PMID: 36658210
An aggravation in mental health during the COVID-19 lockdown has been suggested but the impact on self-injury, suicidality and eating disorders (EDs) are less elucidated. Using linear regression in different...
3.
Furberg J, Andersen P, Korn S, Overgaard M, Ravn H
Lifetime Data Anal
. 2021 Nov;
29(2):256-287.
PMID: 34739680
The analysis of recurrent events in the presence of terminal events requires special attention. Several approaches have been suggested for such analyses either using intensity models or marginal models. When...
4.
Beau A, Napolitano G, Ewertz M, Vejborg I, Schwartz W, Andersen P, et al.
Cancer Med
. 2020 Apr;
9(11):3995-4003.
PMID: 32253821
Background: Although breast cancer screening reduces breast cancer mortality at the population level, subgroups of women may benefit differently. We investigated the impact of health status on the effect of...
5.
Parner E, Andersen P, Overgaard M
Lifetime Data Anal
. 2020 Jan;
26(4):639-658.
PMID: 31933047
Case-cohort studies are useful when information on certain risk factors is difficult or costly to ascertain. Particularly, a case-cohort study may be well suited in situations where several case series...
6.
Sabathe C, Andersen P, Helmer C, Gerds T, Jacqmin-Gadda H, Joly P
Stat Methods Med Res
. 2019 Apr;
29(3):752-764.
PMID: 30991888
Pseudo-values provide a method to perform regression analysis for complex quantities with right-censored data. A further complication, interval-censored data, appears when events such as dementia are studied in an epidemiological...
7.
Kessing L, Rytgaard H, Gerds T, Berk M, Ekstrom C, Andersen P
Bipolar Disord
. 2019 Mar;
21(5):410-418.
PMID: 30873730
Objective: Drug repurposing is an increasingly promising idea in many fields of medicine. We systematically used Danish nation-wide population-based registers to investigate whether continued use of non-aspirin non-steroidal anti-inflammatory drugs...
8.
Grand M, Putter H, Allignol A, Andersen P
Biom J
. 2018 Aug;
61(2):290-298.
PMID: 30117183
Pseudo-observations have been introduced as a way to perform regression analysis of a mean value parameter related to a right-censored time-to-event outcome, such as the survival probability or the restricted...
9.
Gronemann F, Jorgensen M, Nordentoft M, Andersen P, Osler M
J Clin Psychiatry
. 2018 Jun;
79(4).
PMID: 29873959
Objective: Varying definitions of treatment-resistant depression (TRD) across studies make it difficult to estimate the size of the problem and to identify patients at increased risk. The aim of this...
10.
Kessing L, Gerds T, Knudsen N, Jorgensen L, Kristiansen S, Voutchkova D, et al.
Bipolar Disord
. 2017 Jul;
19(7):563-567.
PMID: 28714553
Objective: Animal data suggest that subtherapeutic doses, including micro doses, of lithium may influence mood, and lithium levels in drinking water have been found to correlate with the rate of...