Key result
Preoperative computed tomography significantly improved the correct identification of acute appendicitis compared to no imaging (OR 2.80, p<0.001), resulting in a lower negative appendicectomy rate of 7.1% versus 19.3%.
Why the study?
Does pre-operative imaging reduce the Negative Appendicectomy Rate (NAR) in patients with suspected acute appendicitis?
Population
Patients evaluated for acute appendicitis at a single tertiary health service in Australia
Comparison
Pre-operative imaging vs Published data / no pre-operative imaging
Design
Cohort
Authors
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Cohort (n=719)
No
Does pre-operative imaging reduce the Negative Appendicectomy Rate (NAR) in patients with suspected acute appendicitis?
Odds Ratio: 2.8
Absolute Event Rate: 7.1% vs 19.3%
p-value: p=<0.001
Matthew Corbitt (2022) conducted a cohort in Suspected acute appendicitis (n=719). Preoperative Computed Tomography (CT) vs. No preoperative imaging was evaluated on Negative Appendicectomy Rate (NAR) (OR 2.80, p=<0.001). Preoperative computed tomography significantly improved the correct identification of acute appendicitis compared to no imaging (OR 2.80, p<0.001), resulting in a lower negative appendicectomy rate of 7.1% versus 19.3%.
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