Impact of Early versus Late Initiation of Renal Replacement Therapy in Patients with Cardiac Surgery-Associated Acute Kidney Injury: Meta-Analysis with Trial Sequential Analysis of Randomized Controlled Trials

Table 4

Quality assessment for randomized controlled trials.

Reference	Sequence Generation	Allocation Concealment	Blinding	Incomplete outcome data addressed	Free of selective reporting	Free of other Bias	Concurrent therapies similar	Overall risk of bias
Durmaz et al. 2003 [10]	Yes	Unclear	Unclear	Unclear	Yes	Yes	Yes	High
Sugahara et al. 2004 [11]	Yes	Yes	Unclear	Unclear	Yes	Yes	Yes	Moderate
Crescenzi et al. 2015 [12]	Yes	Unclear	Unclear	Yes	Yes	Yes	Yes	Moderate
Combes et al. 2015 [13]	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Low