Phenonizer: A Fine-Grained Phenotypic Named Entity Recognizer for Chinese Clinical Texts

Table 7

Examples of symptom extraction results in both models.^a.

Sentence (truncated)	The patient developed fever and cough 9 days ago, without chest tightness, chest pain, or other discomfort
Phenonizer (normal)	… fever and cough …, without chest tightness, chest pain, or other discomfort
Phenonizer (degraded)	… fever and cough …, without chest tightness, chest pain …

^aItalic and bold texts represent PS and NS, respectively. Bold italic texts denote symptoms extracted by Phenonizer (degraded). In contrast, Phenonizer (normal) considered the practical significance of symptoms in Chinese EMRs and refined symptoms into NS and PS.