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Serum levels of soluble Fas (sFas) in healthy volunteers (Cont.) and patients with silicosis, progressive systemic sclerosis (PSS) or systemic lupus erythematosus (SLE)
Values are the mean 6s.d.
* P < 0.005 versus Cont. (young); † P < 0.0001 versus Cont. (old); ‡ P < 0.0001 versus PSS; § P < 0.01 versus Cont.(young); ¶ P < 0.001 versus Cont. (old); ** P < 0.005 versus PSS. Details were reported in a previous paper [15].
