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Table 3 Repeated experiments using indirect ELISA kits of different batch (OD value)

From: Analysis of TTSuV1b antibody in porcine serum and its correlation with four antibodies against common viral infectious diseases

Antigens from different batch Positive serum Inter-batch variation Negative serum Inter-batch variation
1 2 3 4 1 2 3 4
1 1.172 0.983 1.025 0.989 0.158 0.131 0.137 0.130
2 1.090 0.969 1.046 1.071 0.171 0.152 0.134 0.132
3 1.105 1.040 1.159 1.081 0.166 0.131 0.115 0.116
4 1.038 1.022 1.042 1.091 0.165 0.157 0.119 0.122
5 1.072 1.005 1.095 1.004 0.147 0.142 0.125 0.116
MEAN 1.095 1.004 1.073 1.035 0.161 0.143 0.126 0.123
STDEV 0.049 0.028 0.054 0.044 0.009 0.011 0.009 0.007
CV (%) 4.50 % 2.86 % 5.08 % 4.27 % 5.77 % 8.31 % 7.49 % 6.15 %
Mean value of CV 4.18 % 6.91 %