Table 3 Distribution of BM sample pull, WBC count, and plasma cell percentages in groups of samples defined by the BMQI score.

From: Determining hemodilution in diagnostic bone marrow aspirated samples in plasma cell disorders by next-generation flow cytometry: Proposal for a bone marrow quality index

BMQI score

 

<0.5

0.5 - <1.4

1.4 - <2.5

2.5 - <3.5

≥3.5

p-value

BM sample pull

first, n (%)

0 (0.0%)

9 (4.1%)

41 (18.7%)

92 (42.0%)

77 (35.2%)

 

second, n (%)

11 (8.3%)

41 (31.1%)

59 (44.7%)

19 (14.4%)

2 (1.5%)

 

WBC

(n)

(10)

(46)

(96)

(108)

(76)

<0.001

WBC, 106/mL

9.9

14.8

22.0

36.8

51.3

MGUS

(n)

(7)

(27)

(42)

(34)

(18)

<0.001

plasma cells, %

0.084

0.14

0.32

0.73

0.92

SMM

(n)

(3)

(19)

(47)

(64)

(53)

<0.001

plasma cells, %

0.077

0.68

2.2

2.7

2.7

MM

(n)

(1)

(4)

(11)

(13)

(8)

0.15

% plasma cells

2.2

2.6

3.7

8.0

5.1

  1. BMQI bone marrow quality index, WBC white blood cell, MGUS monoclonal gammopathy of undetermined significance, SMM smoldering multiple myeloma, MM multiple myeloma.
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