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Table 3 Measures of agreement between registry and radiologist with 95% confidence intervals (CIs), using low ligation as reference

From: Discrepancy between surgeon and radiological assessment of ligation level of the inferior mesenteric artery in patients operated for rectal cancer—impacting registry-based research and surgical practice

Measure

Point estimate

95% CI

Percent agreement

81.9%

74.0–89.8%

Sensitivity

86.2%

75.3–93.5%

Specificity

72.4%

52.8–87.3%

Positive predictive value

87.5%

50.6–85.3%

Negative predictive value

70.0%

76.8–94.4%

Cohen’s Kappa

0.58

0.40–0.76

Prevalence-adjusted Kappa

0.64

0.48–0.80

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World Journal of Surgical Oncology

ISSN: 1477-7819

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