highly significantP < .01
Methotrexate dosing ≥1 g/m 2 was also a highly significant ( P < .01) and important predictor in our study and was associated with a nearly two-fold (OR = 1.73, 95% CI: 1.07-2.82) odds of neurotoxicity compared to doses <1 g/m 2 in adjusted logistic models.