Table 2 Example of error in LSTM-CRF model prediction results on the testing set
From: Identifying diagnosis evidence of cardiogenic stroke from Chinese echocardiograph reports
Error type | Example | |
|---|---|---|
Gold standard | Prediction | |
Semantic dependence on long sentences | mitral valve prolapse: 二尖瓣前叶赘生物伴腱索断裂、瓣膜脱垂 Anterior leaflet vegetation of mitral valve with tendon rupture and valve prolapse | None |
Similar grammatical structure of sentences | None | prosthetic valves and devices: 阔瓣术后 after wide flap surgery |
Have big difference | ventricular wall hypokinesis: 室壁运动僵直 rigid wall ventricular wall motion | None |
Additional words at the end of phrase | mitral stenosis: 二尖瓣狭窄 (轻度) mitral stenosis (mild) | mitral stenosis: 二尖瓣狭窄 mitral stenosis |