Automatic detection of small bowel lesions with different bleeding risks based on deep learning models

Table 4 Effect of stage 1 attention module ablation experiments on the performance metrics of the algorithm

Method	Attention module			Accuracy, %	Sensitivity, %	Specificity, %
	SA	CA	MHSA
Method 1	√	×	×	98.79	98.75	98.86
Method 2	×	√	×	98.82	98.66	99.06
Method 3	×	×	√	99.08	99.05	99.12

CA: Channel attention module; MHSA: Multi-head self-attention; SA: Spatial attention module.