BioMed Research International / 2018 / Article / Tab 2

Research Article

Blood Lactate or Lactate Clearance: Which Is Robust to Predict the Neurological Outcomes after Cardiac Arrest? A Systematic Review and Meta-Analysis

Table 2

Subgroup analysis of lactate on admission and neurological outcomes.

SubgroupsNo. of studyWMD95CIP for heterogeneityI2 ()

 Adult14-2.27-2.94, -1.690.00080.2
 Old people8-3.17-4.26, -1.600.00087.5
CA Location
 OHCA18-2.79-3.65, -1.930.00089.5
 OHCA/IHCA4-1.93-2.82, -1.040.00477.1
Outcome follow up time
 Short-term (< 1m)18-2.52-3.20, -1.840.00084.5
 Long-term (≥ 3 m)4-3.10-5.04, -1.160.00094.2
Study quality
 Intermediate (≤6)8-2.88-4.12, -1.640.00077.2
 High (>6)14-2.56-3.48, -1.640.00093.6
Data transformation
 Yes15-3.00-3.84, -2.160.00086.4
 No7-1.53-2.09, -0.970.0356.9
Initial shockable rhythm
 Low percentage (<50%)13-2.83-3.80, -1.870.00094.2
 High percentage (≥50%)9-2.28-3.28, -1.290.00168.1
Study design
 Retrospective13-1.92-2.50, -1.350.00081.2
 Prospective9-4.47-4.86, -4.080.4320.2

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