Table 2. Comparison of the diagnostic efficacy of radiologists and optimized AI of the test set based on lesion.

Fracture type	Detection rate		t value	P value
	Radiologist (%)	Optimized AI (%)
Avulsion fracture (n=57)	29.82	57.89	−3.066	0.002
Non-avulsion fracture (n=209)	86.12	85.64	0.185	0.853

AI, artificial intelligence.