Table 3 Correlations between 24-h MTX level and clinical factors.

From: Genetic polymorphisms and clinical parameters associated with renal toxicity in Thai hematologic malignancy patients receiving high dose methotrexate

Variables

Univariate logistic regression–odds ratio (95% CI)

P-value

Multivariate logistic regression with generalized estimating equation–adjusted odds ratio (95% CI)

P-value

Age

1.09 (1.04–1.14)

< 0.001***

− 0.070 (− 0.119– − 0.020)

0.006**

Gender

1.73 (0.59–5.12)

0.320

Body surface area (kg/m2)

0.76 (0.15–13.64)

0.760

Chemotherapy regimens

High-dose MTX

2.73 (0.1–7.48)

0.050

High-dose MTX and Rituximab

3.57 (1.16–11.04)

0.030*

High-dose MTX-Ifosfamide

0.68 (0.18–2.53)

0.570

High-dose MTX-Ifosfamide and Rituximab

0.72 (0.15–3.42)

0.680

Aspa/Met/Dex + BV$

0.00

0.999

Aspa/Met/Dex

0.26 (0.03–2.04)

0.199

Acute lymphoblastic leukemia induction protocol

0.00

0.999

Hyper-CVAD&

0.00

1.000

CODOX-M/IVAC#

0.00

0.999

Co-morbidities

Diabetes mellitus

3.01 (1.05–8.63)

0.040*

Hypertension

10.38 (3.62–29.77)

< 0.001***

1.716 (0.556–2.875)**

0.004**

Dyslipidemia

3.23 (1.12–9.33)

0.030*

Chronic kidney disease

0.00

0.999

Solid cancer

0.00

0.999

Atrial fibrillation/Myocardial infarction

6.75 (1.53–29.71)

0.012*

HIV

0.00

0.999

Viral hepatitis

1.62 (0.48–5.49)

0.441

Hematologic malignancy

Primary CNS lymphoma

2.32 (0.88–6.13)

0.090

Diffuse large B-cell lymphoma with CNS involvement

2.02 (0.50–8.22)

0.326

Diffuse large B-cell lymphoma with CNS prophylaxis

1.22 (0.37–4.07)

0.742

Burkitt lymphoma

0.00

0.999

Extranodal NK/T-cell lymphoma

0.20 (0.03–1.60)

0.130

Acute lymphoblastic leukemia

0.00

0.999

Lymphoblastic leukemia

0.00

1.000

Side effect of MTX

Transaminitis

1.16 (0.38–3.50)

0.792

Mucositis

0.00

1.000

MTX overdose in previous cycle

13.75 (2.33–81.25)

0.004**

  1. p-value: * < 0.05; ** < 0.01; *** < 0.001.
  2. $Methotrexate, L-asparaginase, and Dexamethasone + Brentuximab vedotin for extranodal NK/T cell lymphoma.
  3. &Hyperfractionated therapy containing cyclophosphamide, vincristine sulfate, doxorubicin.
  4. hydrochloride (adriamycin), and dexamethasone, #Cyclophosphamide, vincristine, doxorubicin, high-dose methotrexate/ifosfamide, etoposide, and high-dose cytarabine.