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Comment
. 1999 Oct 30;319(7218):1199.

Numbers needed to treat derived from meta-analysis. Are an absurdity

B G Charlton
Comment

Numbers needed to treat derived from meta-analysis. Are an absurdity

B G Charlton. BMJ. .
No abstract available

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References

    1. Smeeth L, Haines A, Ebrahim S. Numbers needed to treat derived from meta-analysis—sometimes informative, usually misleading. BMJ. 1999;318:1548–1551. . (5 June.) - PMC - PubMed
    1. Charlton BG. The future of clinical research: from megatrials towards methodological rigour and representative sampling. J Eval Clin Pract. 1996;2:159–169. - PubMed
    1. Smeeth L, Haines A, Ebrahim S. Numbers needed to treat derived from meta-analyses sometimes informative, usually misleading. BMJ. 1999;318:1548–1551. . (5 June.) - PMC - PubMed
    1. UK Prospective Diabetes Study Group. Tight blood pressure control and risk of macrovascular and microvascular complications in type 2 diabetes. BMJ. 1998;317:703–713. - PMC - PubMed
    1. Electronic responses. Tight blood pressure control and risk of macrovascular and microvascular complications in type 2 diabetes: UKPDS 38. eBMJ 1998;317. www.bmj.com/cgi/eletters/317/7160/703#EL6 (accessed 22 October 1999). - PubMed