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. Author manuscript; available in PMC: 2015 Aug 26.
Published in final edited form as: Clin Biochem. 2012 Oct 31;46(3):278–281. doi: 10.1016/j.clinbiochem.2012.10.032

Table 1.

Hematologic differences between local and central laboratories

Hematology Indices Mean Local Mean Central Mean Difference* 95% C.I. P-Value (paired t Test)
WBC (X1,000 cells/mm3) 14.00 14.29 +0.29 −0.48, 1.07 0.4564
ANC (x1,000 cells/mm3) 4.11 2.33 −1.78 −2.09, −1.47 <.0001
AMC (x1,000 cells/mm3) 1.01 0.66 −0.35 −0.45, −0.24 <.0001
Lymphocytes (x1,000 cells/mm3) 8.14 9.85 +1.71 1.31, 2.11 <.0001
RBC (x 1,000,000 cells/mm3) 3.45 3.41 −0.04 −0.08, −0.01 0.0276
Hemoglobin (g/dL) 8.96 8.97 +0.01 −0.09, 0.11 0.8245
MCV (fL) 77.8 80.3 +2.5 1.81, 3.21 <.0001
Reticulocytes (x1,000 cells/mm3) 285.8 282.7 −3.1 −15.2, 9.0 0.6109
Platelets (x1,000 cells/mm3) 358.0 367.3 +9.3 0.1, 18.5 0.0481

WBC, white blood cells; ANC, absolute neutrophil count; AMC, absolute monocyte count; RBC, red blood cell count; MCV, mean corpuscular volume.

*

Positive value denotes increased counts during transit whereas negative value denotes decreased counts during transit.