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Two errors have been noted in the paper by CJ Hawkey et al in the June issue (Incidence of gastroduodenal ulcers in patients with rheumatoid arthritis after 12 weeks of rofecoxib, naproxen, or placebo: a multicentre, randomised, double blind study. Gut 2003;52:820–6). On page 822, the lower 95% CI for the difference between rofecoxib and placebo (4.05), is given as 93.37 rather than 3.37. Also, in the key to fig 2, the dose of rofecoxib is given as 500 mg instead of 50 mg.
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