TABLE 7.

Keyword cluster analysis of podocyte injury research.

Cluster ID	Size	Silhouette	Mean year	Top terms	Log (likelihood ratio)
#0	66	0.551	2009	Nephrotic syndrome	128.11
#1	60	0.735	2003	Proteinuria	76.83
#2	59	0.623	2011	Diabetic nephropathy	69.66
#3	51	0.694	2009	Oxidative stress	53.16
#4	34	0.751	2011	Autophagy	50.62
#5	31	0.61	2012	Growth	16.2
#6	31	0.734	2012	Protein	47.27
#7	22	0.779	2011	Disease	56.81