A case study of discordant overlapping meta-analyses: vitamin d supplements and fracture.

PubWeight™: 0.89‹?›

🔗 View Article (PMC 4281138)

Published in PLoS One on December 31, 2014

Authors

Mark J Bolland1, Andrew Grey1

Author Affiliations

1: Department of Medicine, University of Auckland, Private Bag 92 019, Auckland 1142, New Zealand.

Articles cited by this

Preferred reporting items for systematic reviews and meta-analyses: the PRISMA statement. BMJ (2009) 34.99

Evaluation, treatment, and prevention of vitamin D deficiency: an Endocrine Society clinical practice guideline. J Clin Endocrinol Metab (2011) 23.10

Development of AMSTAR: a measurement tool to assess the methodological quality of systematic reviews. BMC Med Res Methodol (2007) 13.46

Calcium plus vitamin D supplementation and the risk of fractures. N Engl J Med (2006) 12.09

Annual high-dose oral vitamin D and falls and fractures in older women: a randomized controlled trial. JAMA (2010) 11.59

Vitamin D3 and calcium to prevent hip fractures in the elderly women. N Engl J Med (1992) 9.86

Use of calcium or calcium in combination with vitamin D supplementation to prevent fractures and bone loss in people aged 50 years and older: a meta-analysis. Lancet (2007) 9.61

Oral vitamin D3 and calcium for secondary prevention of low-trauma fractures in elderly people (Randomised Evaluation of Calcium Or vitamin D, RECORD): a randomised placebo-controlled trial. Lancet (2005) 8.49

Effect of calcium and vitamin D supplementation on bone density in men and women 65 years of age or older. N Engl J Med (1997) 6.88

A pooled analysis of vitamin D dose requirements for fracture prevention. N Engl J Med (2012) 6.85

Effect of four monthly oral vitamin D3 (cholecalciferol) supplementation on fractures and mortality in men and women living in the community: randomised double blind controlled trial. BMJ (2003) 6.43

Fracture prevention with vitamin D supplementation: a meta-analysis of randomized controlled trials. JAMA (2005) 5.95

Seventy-five trials and eleven systematic reviews a day: how will we ever keep up? PLoS Med (2010) 5.80

Prevention of nonvertebral fractures with oral vitamin D and dose dependency: a meta-analysis of randomized controlled trials. Arch Intern Med (2009) 5.63

Effects of vitamin D and calcium supplementation on falls: a randomized controlled trial. J Bone Miner Res (2003) 4.15

Randomised controlled trial of calcium and supplementation with cholecalciferol (vitamin D3) for prevention of fractures in primary care. BMJ (2005) 4.04

Vitamin D with or without calcium supplementation for prevention of cancer and fractures: an updated meta-analysis for the U.S. Preventive Services Task Force. Ann Intern Med (2011) 3.71

Overlapping meta-analyses on the same topic: survey of published studies. BMJ (2013) 3.57

Effects of a long-term vitamin D and calcium supplementation on falls and parameters of muscle function in community-dwelling older individuals. Osteoporos Int (2008) 3.48

Stress ulcer prophylaxis in critically ill patients. Resolving discordant meta-analyses. JAMA (1996) 3.21

Vitamin D supplementation and the prevention of fractures and falls: results of a randomised trial in elderly people in residential accommodation. Age Ageing (2006) 2.90

Combined calcium and vitamin D3 supplementation in elderly women: confirmation of reversal of secondary hyperparathyroidism and hip fracture risk: the Decalyos II study. Osteoporos Int (2002) 2.82

Effect of annual intramuscular vitamin D on fracture risk in elderly men and women--a population-based, randomized, double-blind, placebo-controlled trial. Rheumatology (Oxford) (2007) 2.81

IOM committee members respond to Endocrine Society vitamin D guideline. J Clin Endocrinol Metab (2012) 2.75

Patient level pooled analysis of 68 500 patients from seven major vitamin D fracture trials in US and Europe. BMJ (2010) 2.67

Vitamin D supplementation and fracture incidence in elderly persons. A randomized, placebo-controlled clinical trial. Ann Intern Med (1996) 2.66

Effect of calcium and cholecalciferol treatment for three years on hip fractures in elderly women. BMJ (1994) 2.61

Effect of high-dosage cholecalciferol and extended physiotherapy on complications after hip fracture: a randomized controlled trial. Arch Intern Med (2010) 2.59

Vitamin D and vitamin D analogues for preventing fractures associated with involutional and post-menopausal osteoporosis. Cochrane Database Syst Rev (2009) 2.58

Guidelines for preventing and treating vitamin D deficiency and insufficiency revisited. J Clin Endocrinol Metab (2012) 2.41

Should older people in residential care receive vitamin D to prevent falls? Results of a randomized trial. J Am Geriatr Soc (2005) 2.38

Effects of a short-term vitamin D and calcium supplementation on body sway and secondary hyperparathyroidism in elderly women. J Bone Miner Res (2000) 2.36

A guide to interpreting discordant systematic reviews. CMAJ (1997) 2.29

Vitamin D and calcium supplementation prevents osteoporotic fractures in elderly community dwelling residents: a pragmatic population-based 3-year intervention study. J Bone Miner Res (2003) 2.15

Effect of vitamin D(3) and calcium on fracture risk in 65- to 71-year-old women: a population-based 3-year randomized, controlled trial--the OSTPRE-FPS. J Bone Miner Res (2010) 1.81

Can vitamin D supplementation reduce the risk of fracture in the elderly? A randomized controlled trial. J Bone Miner Res (2002) 1.66

A randomised, controlled comparison of different calcium and vitamin D supplementation regimens in elderly women after hip fracture: The Nottingham Neck of Femur (NONOF) Study. Age Ageing (2004) 1.50

Vitamin D with calcium reduces mortality: patient level pooled analysis of 70,528 patients from eight major vitamin D trials. J Clin Endocrinol Metab (2012) 1.42

The randomised controlled trial to meta-analysis ratio: original data versus systematic reviews in the medical literature. N Z Med J (2007) 1.40

Overlapping systematic reviews of anterior cruciate ligament reconstruction comparing hamstring autograft with bone-patellar tendon-bone autograft: why are they different? J Bone Joint Surg Am (2007) 1.28

The effects of an open design on trial participant recruitment, compliance and retention--a randomized controlled trial comparison with a blinded, placebo-controlled design. Clin Trials (2004) 1.26

Two-year randomized controlled trial of vitamin K1 (phylloquinone) and vitamin D3 plus calcium on the bone health of older women. J Bone Miner Res (2007) 1.25

Effects of ergocalciferol added to calcium on the risk of falls in elderly high-risk women. Arch Intern Med (2008) 1.25

Differences between systematic reviews/meta-analyses of hyaluronic acid/hyaluronan/hylan in osteoarthritis of the knee. Osteoarthritis Cartilage (2007) 1.13

Preventing fractures among older people living in institutional care: a pragmatic randomised double blind placebo controlled trial of vitamin D supplementation. Osteoporos Int (2007) 1.09

Challenges in meta-analysis of randomized clinical trials for rare harmful cardiovascular events: the case of rosiglitazone. Am Heart J (2008) 1.01

Why the findings of published multiple treatment comparison meta-analyses of biologic treatments for rheumatoid arthritis are different: an overview of recurrent methodological shortcomings. Ann Rheum Dis (2012) 1.00

HRT and Vit D in prevention of non-vertebral fractures in postmenopausal women; a 5 year randomized trial. Maturitas (1998) 0.93

Vitamin D and falls. Time for a moratorium on vitamin D meta-analyses? BMJ (2009) 0.83

Vitamin D dose requirements for fracture prevention. N Engl J Med (2012) 0.76