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Table 1 Statistics and coefficients of the linear mixed models of different immune parameters in relation to repeated freeze-thawing cycles

From: Indices of immune function used by ecologists are mostly unaffected by repeated freeze-thaw cycles and methodological deviations

  Haptoglobin conc. Lysis titre Agglutination titre Bacteria killing capacity Total IgY level
Freeze-thaw cycle
 F 1.44 2.94 17.88 0.27 0.04
 β −0.00 −0.01 −0.10 −0.146 0.04
 df 1,57 1,56 1,56 1,17 1,13
 p 0.235 0.092 0.001 0.610 0.842
Species
 F 9.89 80.69 5.56 9.95 1.49
 df 3,8 3,8 3,8 2,1 1,1
 p 0.005 <0.001 0.023 0.219 0.437
Interaction Freeze-thaw cycle * species
 F 4.53 5.73 7.05 1.21 1.29
 df 3 3 3 2 1
 p 0.210 0.126 0.070 0.546 0.256
  1. P-values <0.05 are in bold