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Table 1 Multiple regression analysis of the effect of endogamy, mtDNA, age, and milk yield, on levels of lymphocytes in peripheral blood of cows*

From: Influence of endogamy and mitochondrial DNA on immunological parameters in cattle

Lymphocytes R2(%) Parameter Coefficient 95% confidence interval P value
CD4 + cells 33.32 Endogamy -0.3363 -1.001 to 0.3284 0.3120
mtDNA -0.6537 -5.304 to 3.996 0.7774
Age 0.003929 0.001868 to 0.005989 0.0004
Milk yield 0.008814 -0.003647 to 0.02128 0.1602
CD21 + cells 28.94 Endogamy 0.5605 0.04471 to 1.076 0.0339
mtDNA 2.119 -1.489 to 5.728 0.2417
Age -0.00181 -0.003409 to -0.0002116 0.0275
Milk yield -0.00960 -0.01927 to 0.00007 0.0515
γδ high T cells 27.56 Endogamy -0.1186 -0.3202 to 0.08306 0.2410
mtDNA 0.6985 -0.7122 to 2.109 0.3223
Age -0.000941 -0.001566 to -0.0003161 0.0042
Milk yield 0.001463 -0.002318 to 0.005243 0.4382
γδ low T cells 22.65 Endogamy 0.01741 -0.1262 to 0.1610 0.8074
mtDNA 0.7841 -0.2208 to 1.789 0.1224
Age 0.0006863 0.0002410 to 0.001132 0.0034
Milk yield 0.001075 -0.001618 to 0.003769 0.4238
CD4 + /CD8 + ratio 26.34 Endogamy -0.01696 -0.07484 to 0.04093 0.5566
mtDNA -0.05224 -0.4572 to 0.3528 0.7953
Age 0.0003006 0.0001211 to 0.0004800 0.0016
Milk yield 0.0001360 -0.0009493 to 0.001221 0.8010
T/B cell ratio 36.41 Endogamy -0.2270 -0.4592 to 0.005096 0.0549
mtDNA -1.311 -2.935 to 0.3127 0.1103
Age 0.001021 0.0003019 to 0.001741 0.0066
Milk yield 0.005461 0.001109 to 0.009813 0.0153
  1. *Significant differences at P < 0.05 are highlighted in italic format. CD8+, and γδ T lymphocytes did show any significant correlation.