Table 2 Accuracy percentages with 95% confidence intervals for the analysis of 12 key information points by the framework and by two cardiologists in the internal test.

From: Transforming free-text coronary angiography reports into structured, analyzable data using large language models

Key information points

Framework

Cardiologists*

p value

Total 4 CAG-related key information points

99.5% (98.1 to 99.9)

91.8% (89.6 to 93.6)

< 0.001

Location of previous stents

100.0% (96.2 to 100.0)

91.1% (86.2 to 94.8)

0.001

Previous stents information

100.0% (96.2 to 100.0)

95.3% (91.3 to 97.8)

0.032

Location and type of lesion

97.9% (92.7 to 99.7)

80.7% (74.4 to 86.1)

< 0.001

Anatomical diagnosis

100.0% (96.2 to 100.0)

100.0% (98.1 to 100.0)

1

Total 8 PCI-related key information points

98.3% (96.3 to 99.4)

97.4% (96.0 to 98.5)

0.512

Multivessel PCI

100.0% (92.0 to 100.0)

100.0% (95.9 to 100.0)

1

≄ 3 lesions treated

97.7% (88.0 to 99.9)

97.7% (92.0 to 99.7)

1

Bifurcation with ≄ 2 stents

100.0% (92.0 to 100.0)

97.7% (92.0 to 99.7)

0.552

≄ 3 stents implanted

97.7% (88.0 to 99.9)

97.7% (92.0 to 99.7)

1

CTO PCI

100.0% (92.0 to 100.0)

100.0% (95.9 to 100.0)

1

Total Stent Length > 60Ā mm

97.7% (88.0 to 99.9)

97.7% (92.0 to 99.7)

1

Complex PCI

97.7% (88.0 to 99.9)

98.9% (93.8 to 100.0)

1

Current stents information

95.5% (84.5 to 99.4)

89.8% (81.5 to 95.2)

0.335

  1. *The independent extractions performed by the two cardiologists have been combined into a single group and the mean accuracy was calculated.
  2. CTO chronic total occlusion.