TABLE 3.3Range of frequencies of abnormal outcomes reported by case series of preoperative biochemistry tests

% abnormal results0.4% to 81.3%0.2% to 27.0%0.4% to 71.5%
% change in clinical management0% to 10.5%0% to 5.5%0% to 2.1%
% postoperative complications0%0.8%0.7%

From: 3, Findings from the Systematic Review of the Literature

Cover of Preoperative Tests
Preoperative Tests: The Use of Routine Preoperative Tests for Elective Surgery.
NICE Clinical Guidelines, No. 3.
National Collaborating Centre for Acute Care (UK).
Copyright © 2003, National Collaborating Centre for Acute Care.

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