Table 6 Healthcare domain performance comparison.

From: Construction of intelligent decision support systems through integration of retrieval-augmented generation and knowledge graphs

Metric

Scenario

IKEDS

KG-only

RAG-only

Parallel-KG-RAG

Decision accuracy (%)

Resource allocation

86.9 ± 3.0

79.3 ± 3.5

64.7 ± 4.6

79.6 ± 3.4

Pathway selection

85.2 ± 3.1

77.5 ± 3.6

66.2 ± 4.5

78.3 ± 3.5

Quality improvement

81.7 ± 3.3

71.8 ± 3.9

65.1 ± 4.6

75.5 ± 3.7

Knowledge relevance

Resource allocation

0.91 ± 0.04

0.87 ± 0.05

0.73 ± 0.07

0.82 ± 0.06

Pathway selection

0.90 ± 0.04

0.85 ± 0.05

0.69 ± 0.08

0.81 ± 0.06

Quality improvement

0.87 ± 0.05

0.82 ± 0.06

0.72 ± 0.07

0.78 ± 0.06

Explanation quality

Resource allocation

0.92 ± 0.04

0.81 ± 0.06

0.67 ± 0.08

0.79 ± 0.06

Pathway selection

0.93 ± 0.03

0.82 ± 0.06

0.70 ± 0.08

0.80 ± 0.06

Quality improvement

0.89 ± 0.04

0.75 ± 0.07

0.68 ± 0.08

0.73 ± 0.07

Cross-domain integration

Resource allocation

0.86 ± 0.05

0.54 ± 0.08

0.48 ± 0.09

0.67 ± 0.07

Pathway selection

0.84 ± 0.05

0.51 ± 0.09

0.45 ± 0.10

0.64 ± 0.08

Quality improvement

0.87 ± 0.05

0.52 ± 0.09

0.47 ± 0.09

0.65 ± 0.07