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Table 2 Linearity study by diluting a sample with a high calprotectin concentration in a sample with low calprotectin concentration

From: A new turbidimetric immunoassay for serum calprotectin for fully automatized clinical analysers

% high sample Expected values (mg/L) Observed values (mg/L) Recovery from expected values (%)
100 24,70 24,76 100,2
80 19,82 19,40 97,9
60 14,95 14,46 96,7
40 10,07 9,90 98,3
20 5,20 5,34 102,8
10 2,76 2,77 100,3
5 1,54 1,48 95,9
2,5 0,93 0,91 97,9
1,5 0,69 0,66 95,8
0 0,32 0,31 96,9
  1. The observed values were compared with the expected values and the recovery was calculated. The observed data from the linearity series deviated less than ±5 % from the expected values calculate from the assigned values of the 0 % sample and the 100 % sample and the dilution factors