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Table 2 Relation between pre-infusion albumin level and commonly observed toxicities of the HDMTX cycles (N = 120)

From: Is hypoalbuminemia a risk factor for high-dose methotrexate toxicity in children with acute lymphoblastic leukemia?

 

Pre-infusion Albumin (g/dL)

p

<3.5 g/dL (N = 38)

≥3.5 g/dL (N = 82)

N (%)

Hematological toxicities

 Neutropenia

  No

8 (21.1)

20 (24.4)

χ2 test” p=0.688

  Yes

30 (78.9)

62 (75.6)

  G3–4

24 (63.2)

46 (56.1)

χ2 test” p=0.466

 Anemia

  No

4 (10.5)

24 (29.3)

χ2 test” p=0.024

  Yes

34 (89.5)

58 (70.7)

  G3-4

18 (47.4)

17 (20.7)

χ2 test” p=0.003

 Thrombocytopenia

  No

20 (52.6%)

63 (76.8%)

χ2 test” p=0.008

  Yes

18 (47.4%)

19 (23.2%)

  G3–4

11 (28.9)

8 (9.8)

χ2 test” p=0.007

 Febrile neutropeniaa

  No

22 (57.9)

67 (81.7)

χ2 test” p=0.006

  Yes

16 (42.1)

15 (18.3)

Hepatic toxicity

 Increased ALT

  No

26 (68.4)

60 (73.2)

χ2 test” p=0.591

  Yes

12 (31.6)

22 (26.8)

  G3–4

1 (2.6%)

5 (6.1%)

FEp=0.663

 Increased AST

  No

24 (63.2)

63 (76.8)

χ2 test” p=0.119

  Yes

14 (36.8)

19 (23.2)

  G3–4

2 (5.3%)

2 (2.4%)

FEp=0.590

Gastrointestinal toxicity

 Oral mucositis

  No

16 (42.1)

60 (73.2)

χ2 test” p=0.001

  Yes

22 (57.9)

22 (26.8)

  G3–4

9 (23.7%)

11 (13.4%)

χ2 test” p=0.160

Nephrotoxicity

 Increased creatinine

  No

22 (57.9)

58 (70.7)

χ2 test” p=0.165

  Yes

16 (42.1)

24 (29.3)

  G3–4

0 (0%)

2 (2.4%)

FEp=1.000

Hospitalizationb

  No

23 (60.5)

65 (79.3)

χ2 test” p=0.031

  Yes

15 (39.5)

17 (20.7)

 Length of hospitalization

(N = 15)

(N = 17)

 

  Median (IQR)

4 (3–8)

6 (3.5–7.5)

U test” p=0.576

  Min.–Max.

2–14

2–12

  1. P-value significant when p <0.05
  2. aThere is no grades 1 or 2 in the CTCAE score system grading febrile neutropenia, and it was reported in the present study only in grade 3 [15]
  3. bExtra days of hospitalization due to HDMTX-related toxicities