CVCs remain an important part of caring for patients in the ICU. Given the clinical and economic consequences of CR-BSI, prevention is paramount. While we await more definitive prospective studies and formal economic analyses, MSB can still be recommended during routine insertion of a CVC. Importantly,however, the current evidence supporting MSB is far less substantial than the data supporting other preventive measures, such as using an antimicrobial catheter or using chlorhexidine solution for skin antisepsis.
请大家参与这一段的翻译,尤其是far less substantial ,如何翻译更贴切?