Journal of Hematology, ISSN 1927-1212 print, 1927-1220 online, Open Access
Article copyright, the authors; Journal compilation copyright, J Hematol and Elmer Press Inc
Journal website http://www.thejh.org

Original Article

Volume 1, Number 4-5, October 2012, pages 89-92

Do Plasma Cells Affect Hemoglobin and Red Blood Cell Counts in Patients With and Without Myeloma?

Tables

Table 1. Summary Statistics of Hemoglobin, RBC Count, Plasma Cells and Normoblasts
 
VariableGroup 1Group 2
Number3030
Hemoglobin (g/L)42 - 139
Mean: 7.77
Standard deviation: 2.2		56 - 155
Mean: 8.8
Standard deviation: 2.53
RBC count × 1012 /L1.41 - 1.51
Mean: 2.5
Standard deviation: 0.67		1.73 - 5.99
Mean: 3.38
Standard deviation: 1.17
Plasma cells%29 - 94
Mean: 55
Standard deviation: 16.89		0.5 - 13
Mean: 2.56
Standard deviation: 2.26
Normoblasts %0.5 - 29
Mean: 11.75
Standard deviation: 7.42		2 - 74
Mean: 37.8
Standard deviation: 16.09

 

Table 2. Pearsons Coefficient Correlation in Group 1 and Group 2
 
VariableGroup 1 PersonsGroup 2 Persons
Hemoglobin and plasma cells-0.39, P = 0.03-0.02, P = 0.9012
RBC and plasma cells-0.40, P = 0.02-0.08, P = 0.655
Normoblasts and plasma cells-0.752, P ≤ 0.0001-0.4139, P = 0.023

 

Table 3. Summary of t-Tests
 
Variable (Group1:Group 2)Statistical significance (P-value)
Hemoglobin0.09
RBC count0.0016
Normoblasts< 0.0001

 

Table 4. Variables in the Commonest Myeloma Subgroups
 
VariableSubgroup aSubgroup b
Age in years35 - 65( 50.63)35 - 76 (58.7)
Hemoglobin g/L4.3 - 7 (5.7)7.4 - 9.9 (8.44)
RBC × 1012/L1.67 - 2.31 (1.9302.36 - 3.4 (2.77)
Plasma cell %48 - 94 (62.54)30 - 84 (51.82)
Normoblast %0.5 -29 (11.31)1 - 29 (12.11)

 

Table 5. Pearsons Coefficient Correlation in Myeloma Subgroups
 
VariableSubgroup a PearsonsSubgroup b Pearsons
Hemoglobin and plasma cells-0.141-0.131
RBC and plasma cells-0.351-0.148
Normoblasts and plasma cells-0.757-0.852