TABLE 29Full blood count

TestHbPlateletsWhite blood cells
No. of abnormal test results7/10050/10051/1005
 Rate0.7%0%0.1%
 95% CI0.2% to 1.2%Not applicable1.0% to 0.3%
Patients with relevant complications: total16/101037/1010110/1010
 Rate1.6%3.7%10. 9%
 95% CI0.8% to 2.4%2.5% to 4.8%9.0% to 12.8%
Patients with relevant complications: normal test result14/99837/1005110/1004
 Rate1.4%3.7%11.0%
 95% CI0. 7% to 2.1%2.5% to 4.8%9.0% to 12.9%
Patients with relevant complications: abnormal test result2/700
 Rate28.6%0%0%
 95% CI4.9% to 62.0%Not applicableNot applicable
Patients with abnormal test result: action2/7Not applicable0
 Rate28.6%Not applicable0%
 95% CI4.9% to 62.0%Not applicableNot applicable
Patients with abnormal test result: no action5/7Not applicable1/1
 Rate71.4%Not applicableNot applicable
 95% CI38.0% to 105.0%Not applicableNot applicable
Patients with abnormal test result and relevant complication: action1/2Not applicableNot applicable
 Rate50%Not applicableNot applicable
 95% CI19.3% to 119.3%Not applicableNot applicable
Patients with abnormal test result and relevant complication: no action1/2Not applicableNot applicable
 Rate50%Not applicableNot applicable
 95% CI19.3% to 119.3%Not applicableNot applicable

Data in italics were calculated by the reviewer.

From: Appendix 7, Turnbull and Buck: summary of relevant pre-operative test results and relevant complications

Cover of What is the Value of Routinely Testing Full Blood Count, Electrolytes and Urea, and Pulmonary Function Tests Before Elective Surgery in Patients with No Apparent Clinical Indication and in Subgroups of Patients with Common Comorbidities: A Systematic Review of the Clinical and Cost-Effective Literature
What is the Value of Routinely Testing Full Blood Count, Electrolytes and Urea, and Pulmonary Function Tests Before Elective Surgery in Patients with No Apparent Clinical Indication and in Subgroups of Patients with Common Comorbidities: A Systematic Review of the Clinical and Cost-Effective Literature.
Health Technology Assessment, No. 16.50.
Czoski-Murray C, Jones ML, McCabe C, et al.
Southampton (UK): NIHR Journals Library; 2012 Dec.
© 2012, Crown Copyright.

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