Spearman’s rank correlation coefficient for the relationship between determined Hb and calculated Hb concentrations, ( r s = 0.73) was significantly different from one ( p < 0.001, degrees of freedom [ df ] = 438), whilst that for the relationship between absolute differences and averages of determined and calculated Hb concentration ( r s = 0.18) was barely significant at 5% significance level, but not at 1%.
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Relationship between haemoglobin concentration and packed cell volume in cattle blood samples.
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