To the Editor:
Abelson, et al demonstrate, via metaanalysis of 84 cohort studies, a decline in erythrocyte sedimentation rate (ESR) levels from around 47 mm/h beginning in 1954 to less than 30 mm/h after 1985, a decline of about 30%1. ESR may yield different results based upon the technique employed, with Westergren yielding higher results than Wintrobe, for example. Although Westergren has become …