Table 1 Patient characteristics by premalignant condition status.

From: Relationship among three common hematological premalignant conditions

 

No MBL/MGUS (N = 1151)

MBL only (N = 275)

MGUS only (N = 147)

Both MBL/MGUS (N = 57)

Total (N = 1630)

Sex

 Female

679 (59.0%)

125 (45.5%)

77 (52.4%)

29 (50.9%)

910 (55.8%)

 Male

472 (41.0%)

150 (54.5%)

70 (47.6%)

28 (49.1%)

720 (44.2%)

Age at MBL screening (years)

 Median

63.0

70.0

68.0

72.0

65.0

 Range

40.0–89.0

43.0–96.0

43.0–94.0

53.0–94.0

40.0–96.0

MBL immunophenotype

 Atypical

–

12 (4.4%)

–

5 (8.8%)

17 (5.1%)

 CLL-like

–

240 (87.3%)

–

42 (73.7%)

282 (84.9%)

 Non-CLL-like

–

23 (8.4%)

–

10 (17.5%)

33 (9.9%)

MBL clonal size

 HC-MBL

–

15 (5.5%)

–

7 (12.3%)

22 (6.6%)

 LC-MBL

–

260 (94.5%)

–

50 (87.7%)

310 (93.4%)

MGUS heavy chain isotype

 Missing

–

–

1

0

1427

 Biclonal

–

–

8 (5.5%)

6 (10.5%)

14 (6.9%)

 IgA

–

–

21 (14.4%)

10 (17.5%)

31 (15.3%)

 IgG

–

–

96 (65.8%)

33 (57.9%)

129 (63.5%)

 IgM

–

–

21 (14.4%)

8 (14.0%)

29 (14.3%)

M-Spike (g/dl)

 Missing

–

–

13

–

–

 <0.2

–

–

103 (75.2%)

41 (74.5%)

144 (75.0%)

 0.2–1.5

–

–

29 (21.2%)

13 (23.6%)

42 (21.9%)

 ≥1.5

–

–

5 (3.6%)

1 (1.8%)

6 (3.1%)

CH (overall)a

 Missing

644

2

66

0

712

 No

369 (72.8%)

198 (72.5%)

62 (76.5%)

40 (70.2%)

669 (72.9%)

 Yes

138 (27.2%)

75 (27.5%)

19 (23.5%)

17 (29.8%)

249 (27.1%)

 DNMT3A CH

63 (12.4%)

37 (13.6%)

5 (6.2%)

4 (7.0%)

109 (11.9%)

 TET2 CH

45 (8.9%)

18 (6.6%)

10 (12.3%)

4 (7.0%)

77 (8.4%)

 ASXL1 CH

10 (2.0%)

4 (1.5%)

1 (1.2%)

3 (5.3%)

18 (2.0%)

 nonDTA CH

41 (8.1%)

28 (10.3%)

8 (9.9%)

10 (17.5%)

87 (9.5%)

  1. MBL monoclonal B-cell lymphocytosis, MGUS monoclonal gammopathy of undetermined significance, CH clonal hematopoiesis, LC-MBL low-count MBL, HC-MBL high-count MBL, nonDTA non DNMT3A, TET2, or ASXL1 somatic mutation carrier.
  2. aFrequencies exclude individuals missing CH sequencing information.