“…The secondary analysis for length of ICU stay included seven interventions and 12 trials ( 4 , 27 – 29 , 31 , 35 , 36 , 40 – 42 , 49 , 51 ) with 2,024 patients ( Table 6 of ESM 6, http://links.lww.com/CCX/A591 ). Among the comparisons with high or moderate certainty evidence relative to CVVHDF, PD was most effective at reducing ICU length of stay, SLEDF was in the category of intermediate length of ICU stay, and CVVH and IHD were least effective at reducing ICU length of stay (Fig.…”