passages.id: split_8_test_730_passage
passages.type: progene_text
passages.text: Intraindividual comparison of S100 concentrations measured by LIA with those obtained by RIA showed a calculated correlation coefficient of 0.97 ( Cutoff - levels were 0.1 microgram / l [ RIA ] and 0.2 microgram / l [ LIA ] ) .