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Evidence profile (CRP in the ICU)
a Observational studies only, and the biases of 7 studies were high against markers (indices)
bQ level, p-value < 0.05: heterogeneity present 95%CI overlap: Insufficient I2 > 85
c Wide confidence interval and large number of false negatives, particularly when the prevalence was high
d Wide confidence interval, and a large number of false positives
