Article Text
Electronic pages
Letter
Survival analysis versus event count
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We read with great interest the article ‘The prognostic value of routinely performed minor salivary gland assessments in primary Sjogren’s syndrome’ by Risselada et al.1
One of the main findings of the paper is that lymphocytic focus score (LFS) ≥3 contributes significantly and independently to …
Footnotes
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Competing interests None.
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Provenance and peer review Not commissioned; externally peer reviewed.