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Background <p>Although computer-aided&#xa0;detection (CAD) is often used for medical diagnostic purposes, its diagnostic effectiveness in colorectal polyps (CPs) remains uncertain.</p> Objective <p>To summarize the diagnostic accuracy of CAD in diagnosing CPs, and provide a specific theoretical basis for clinical practice.</p> Methods <p>From database creation to August 1st 2024, we conducted a comprehensive search of PubMed, Embase, Web of Science (WoS), Scopus, Wanfang, Cochrane Library, and the China National Knowledge Infrastructure (CNKI). The pooled sensitivity, specificity, area under the curve (AUC), diagnostic odds ratio (DOR), positive likelihood ratio (PLR), negative likelihood ratio (NLR), and Fagan plot analysis were employed to evaluate the overall performance of CAD tests. Furthermore, we assessed publication bias using Deeks’ funnel plot asymmetry test.</p> Results <p>The aggregated diagnostic data from 19 studies (any size), 12 studies (≤ 5&#xa0;mm polyps) and 2 studies (6–9&#xa0;mm polyps) were as follows: The sensitivity for polyps of any size, ≤ 5&#xa0;mm, and 6–9&#xa0;mm was 0.94 (95% CI, 0.92–0.96), 0.93 (95% CI, 0.89–0.95) and 0.95 (95% CI, 0.92–0.97), respectively. The specificity was 0.91 (95% CI, 0.86–0.95), 0.90 (95% CI, 0.87–0.93) and 0.90 (95% CI, 0.88–0.92), respectively. The AUC was 0.97 (95% CI, 0.96–0.99), 0.96 (95% CI, 0.94–0.98), and 0.92 (95% CI, 0.89–0.94), respectively. Deeks' funnel plot showed that publication bias was not statistically significant in the diagnosis of polyps of any size and ≤ 5 mm CPs (P &gt; 0.05).</p> Conclusion <p>In summary, CAD is accurate for all types of CPs. Specifically, for polyps of any size and those ≤ 5&#xa0;mm, CAD was more sensitive and specific for CPs of any size.</p>

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Diagnostic accuracy of computer-aided detection for colorectal polyps of any size, ≤ 5 mm, and 6–9 mm: a meta-analysis

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年7月30日

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  • Wen Chen,
  • Simeng Li,
  • Zhenheng Wu,
  • Haifen Tan,
  • Fuqian Yu,
  • Dongmei Wang,
  • Xiaodan Lin,
  • Zhigang Chen

摘要

Background

Although computer-aided detection (CAD) is often used for medical diagnostic purposes, its diagnostic effectiveness in colorectal polyps (CPs) remains uncertain.

Objective

To summarize the diagnostic accuracy of CAD in diagnosing CPs, and provide a specific theoretical basis for clinical practice.

Methods

From database creation to August 1st 2024, we conducted a comprehensive search of PubMed, Embase, Web of Science (WoS), Scopus, Wanfang, Cochrane Library, and the China National Knowledge Infrastructure (CNKI). The pooled sensitivity, specificity, area under the curve (AUC), diagnostic odds ratio (DOR), positive likelihood ratio (PLR), negative likelihood ratio (NLR), and Fagan plot analysis were employed to evaluate the overall performance of CAD tests. Furthermore, we assessed publication bias using Deeks’ funnel plot asymmetry test.

Results

The aggregated diagnostic data from 19 studies (any size), 12 studies (≤ 5 mm polyps) and 2 studies (6–9 mm polyps) were as follows: The sensitivity for polyps of any size, ≤ 5 mm, and 6–9 mm was 0.94 (95% CI, 0.92–0.96), 0.93 (95% CI, 0.89–0.95) and 0.95 (95% CI, 0.92–0.97), respectively. The specificity was 0.91 (95% CI, 0.86–0.95), 0.90 (95% CI, 0.87–0.93) and 0.90 (95% CI, 0.88–0.92), respectively. The AUC was 0.97 (95% CI, 0.96–0.99), 0.96 (95% CI, 0.94–0.98), and 0.92 (95% CI, 0.89–0.94), respectively. Deeks' funnel plot showed that publication bias was not statistically significant in the diagnosis of polyps of any size and ≤ 5 mm CPs (P > 0.05).

Conclusion

In summary, CAD is accurate for all types of CPs. Specifically, for polyps of any size and those ≤ 5 mm, CAD was more sensitive and specific for CPs of any size.