Table 1 Clinical features of LGLL patients with and without isolated anemia, and LGLL patients with isolated anemia presenting with and without PRCA.

From: Isolated anemia in patients with large granular lymphocytic leukemia (LGLL)

Clinical characteristics

Without isolated anemia (n = 210)

With isolated anemia (n = 34)

P (w/ vs. w/o isolated anemia)

Isolated anemia with PRCA (n = 13)

Isolated anemia without PRCA (n = 21)

P (isolated anemia w/ vs. w/o PRCA)

Sex, n

Male:female

126:84

30:4

0.001

11:2

19:2

0.627

Age, median (range), y

65 (39–91)

70 (32–90)

0.124

72 (41–90)

70 (32–87)

0.810

Medical history, n (%)

Rheumatoid arthritis

38 (19%)

1 (3%)

0.023

1 (8%)

0 (0%)

0.400

Hematologic malignancies

32 (16%)

10 (29%)

0.054

4 (31%)

6 (29%)

0.290

Non-hematologic malignancies

23 (11%)

6 (18%)

0.299

2 (15%)

4 (19%)

0.340

BM/PBSCT transplantation prior to LGLL diagnosis

4 (2%)

2 (6%)

0.207

1 (8%)

1 (5%)

0.480

Solid organ transplantation prior to LGLL diagnosis

6 (3%)

3 (9%)

0.123

2 (15%)

1(5%)

0.270

B symptoms, n (%)

17 (8%)

1 (3%)

0.483

7 (54%)

9 (43%)

0.220

Splenomegaly, n (%)

42 (21%)

6 (18%)

0.749

2 (15%)

2 (10%)

0.350

Lymphadenopathy, n (%)

3 (1%)

1 (3%)

0.464

0 (0%)

1 (5%)

0.620

Red cell transfusion dependent, n (%)

35 (17%)

18 (53%)

<0.0001

13 (100%)

5 (24%)

<0.0001

Hemoglobin (g/dL), median (range)

11.4 (3.5–14.8)

9.1 (5.0–12.7)

<0.0001

8.5 (5.0–9.7)

9.3 (5.2–12.7)

0.120

MCV (fl), median (range)

94.5 (72–127)

99.9 (83.5–128.8)

0.017

94.6 (83.5–111)

100.9 (84.1–128.8)

0.035

Reticulocytes (%), median (range)

1.78 (0.13–8.77)

0.93 (0.07–6.09)

0.009

0.48 (0.07–0.65)

1.23 (0.61–6.09)

0.002

Reticulocytes (×109/L), median (range)

53.8 (2.5–186,620)

19.3 (1.9–211.3)

0.036

10.5 (1.9–19)

30.5 (16.9–211.3)

0.010

Erythropoietin (mIU/mL), median (range)

90 (8.5–68,200)

420 (14–2883)

0.466

853 (260–2608)

151.9 (14–2883)

0.210

Absolute Neutrophil count (×109/L), median (range)

0.9 (0.0–3.8)

2.5 (1.6–11)

0.013

2.6 (1.6–11)

2.4 (1.6–5.4)

0.745

Absolute lymphocyte count (×109/L), median (range)

3.0 (0.7–14.3)

4.0 (0.6–9.0)

0.078

2.6 (0.6–9.0)

4.4 (1.5–9.0)

0.316

Absolute LGLL count (×109/L), median (range)

2.0 (0.5–30)

2.1 (0.5–9.8)

0.668

1.8 (0.5–6.6)

2.6 (0.5–9.8)

0.127

Platelet (×109/L), median (range)

183 (20–680)

283 (113–755)

<0.0001

246 (113–610)

293 (157–755)

0.609