Koopman L - Search Results

1

A systematic review of analytical methods used to study subgroups in (individual patient data) meta-analyses.

Koopman L, van der Heijden GJ, Glasziou PP, Grobbee DE, Rovers MM. Koopman L, et al. J Clin Epidemiol. 2007 Oct;60(10):1002-9. doi: 10.1016/j.jclinepi.2007.01.018. Epub 2007 Aug 1. J Clin Epidemiol. 2007. PMID: 17884593 Review.

2

Comparison of methods of handling missing data in individual patient data meta-analyses: an empirical example on antibiotics in children with acute otitis media.

Koopman L, van der Heijden GJ, Grobbee DE, Rovers MM. Koopman L, et al. Am J Epidemiol. 2008 Mar 1;167(5):540-5. doi: 10.1093/aje/kwm341. Epub 2008 Jan 9. Am J Epidemiol. 2008. PMID: 18184640

3

Antibiotic therapy to prevent the development of asymptomatic middle ear effusion in children with acute otitis media: a meta-analysis of individual patient data.

Koopman L, Hoes AW, Glasziou PP, Appelman CL, Burke P, McCormick DP, Damoiseaux RA, Le Saux N, Rovers MM. Koopman L, et al. Arch Otolaryngol Head Neck Surg. 2008 Feb;134(2):128-32. doi: 10.1001/archoto.2007.3. Arch Otolaryngol Head Neck Surg. 2008. PMID: 18283152

4

Empirical comparison of subgroup effects in conventional and individual patient data meta-analyses.

Koopman L, van der Heijden GJ, Hoes AW, Grobbee DE, Rovers MM. Koopman L, et al. Int J Technol Assess Health Care. 2008 Summer;24(3):358-61. doi: 10.1017/S0266462308080471. Int J Technol Assess Health Care. 2008. PMID: 18601805

5

A prenotification letter increased initial response, whereas sender did not affect response rates.

Koopman L, Donselaar LC, Rademakers JJ, Hendriks M. Koopman L, et al. J Clin Epidemiol. 2013 Mar;66(3):340-8. doi: 10.1016/j.jclinepi.2012.09.012. J Clin Epidemiol. 2013. PMID: 23347856

6

A comparison of a postal survey and mixed-mode survey using a questionnaire on patients' experiences with breast care.

Zuidgeest M, Hendriks M, Koopman L, Spreeuwenberg P, Rademakers J. Zuidgeest M, et al. Among authors: koopman l. J Med Internet Res. 2011 Sep 27;13(3):e68. doi: 10.2196/jmir.1241. J Med Internet Res. 2011. PMID: 21946048 Free PMC article.

7

Quality of pharmaceutical care at the pharmacy counter: patients' experiences versus video observation.

Koster ES, Blom L, Overbeeke MR, Philbert D, Vervloet M, Koopman L, van Dijk L. Koster ES, et al. Among authors: koopman l. Patient Prefer Adherence. 2016 Mar 23;10:363-9. doi: 10.2147/PPA.S102032. eCollection 2016. Patient Prefer Adherence. 2016. PMID: 27042025 Free PMC article.

8

Patient-provider communication about medication use at the community pharmacy counter.

van Dijk M, Blom L, Koopman L, Philbert D, Koster E, Bouvy M, van Dijk L. van Dijk M, et al. Among authors: koopman l. Int J Pharm Pract. 2016 Feb;24(1):13-21. doi: 10.1111/ijpp.12198. Epub 2015 May 19. Int J Pharm Pract. 2016. PMID: 25988371

9

Changes in blood biomarkers correlate with changes in cardiac size and function in patients with tetralogy of Fallot.

van Genuchten WJ, van den Bosch E, Luijnenburg SE, Kamphuis VP, Roos-Hesselink JW, Bartelds B, Roest AAW, Breur JMPJ, Blom NA, Boersma E, Koopman LP, Helbing WA. van Genuchten WJ, et al. Among authors: koopman lp. Int J Cardiol Congenit Heart Dis. 2024 Jun 17;17:100522. doi: 10.1016/j.ijcchd.2024.100522. eCollection 2024 Sep. Int J Cardiol Congenit Heart Dis. 2024. PMID: 39711764 Free PMC article.

10

Investigating the Ordering Structure of Clustered Items Using Nonparametric Item Response Theory.

Koopman L, Braeken J. Koopman L, et al. Educ Psychol Meas. 2024 Sep 6:00131644241274122. doi: 10.1177/00131644241274122. Online ahead of print. Educ Psychol Meas. 2024. PMID: 39563850 Free PMC article.

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