Table 5.

Keywords cluster analysis (the silhouette value is over 0.5).

Cluster ID	Size	Silhouette	Label (LLR)	Mean year
0	141	0.787	Diabetes mellitus	2012
1	139	0.666	Insulin-like grown factor	2013
2	107	0.716	Metabolic syndrome	2013
3	106	0.696	Depressive symptom	2014
4	78	0.714	Polycystic ovary syndrome	2013