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Table 6 Influence of 3 freeze-thaw cycles or storage at room temperature of the serum sample on anti-CSP repeats antibody concentration

From: Validation of an enzyme-linked immunosorbent assay for the quantification of human IgG directed against the repeat region of the circumsporozoite protein of the parasite Plasmodium falciparum

Sample code Concentration (EU/ml)
Basis condition 3 cycles RT
1 80.7 74.2 74.5
2 122.2 150.5 139.9
3 92.7 93.0 99.5
4 80.6 80.7 77.4
5 57.2 50.0 68.9
6 68.3 72.4 64.2
7 94.8 89.3 87.0
8 111.0 118.5 112.0
9 41.5 45.2 41.7
10 610.0 596.7 591.7
GMC 97.37 98.57 98.43
GMR, compared with basis condition (95%CI)   1.01 (0.94-1.09) 1.01 (0.94-1.08)
  1. GMR, geometric mean of the individual ratios.