We thank Bech et al1 for highlighting their abstract,2 presented at American Society of Nephrology Kidney Week 2014. They observed no statistically significant association of urine α1-microglobulin (A1M) level with change in estimated glomerular filtration rate (eGFR) in kidney transplant recipients sampled 12 months after transplantation,2 whereas we report a strong association with transplant failure in our study.3