Frequency of principal laboratory abnormalities in relapsing polychondritis

	Number of reported cases	Percent positive
Elevated sedimentation rate	405	86
Anemia	368	56
Leukocytosis	283	35
Antinuclear antibody	264	22
Rheumatoid factor	250	16
Eosinophilia	160	11
LE cell preparation	118	7
Serologic test for syphilis	107	7

Based on minimum of 100 reported observations

Graphic 67505 Version 2.0

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