Table 2. Persistence of Tinnitus and Feeling of Ear Occlusion in High-narrow Tone Group and Low-wide Tone Group

Sound type of Tinnitus	Causes	The number of subjects with persistence of Tinnitus	The number of subjects with feeling of ear occlusion
High-narrow tone	Total	13 out of 37(35.1%)	14 out of 37 (37.8%)
	kidney essence depletion-type	6 out of 16	5 out of 16
	spleen-stomach weakness-type	3 out of 13	5 out of 13
	heart-kidneynon-interaction-type	0 out of 3	1 out of 3
	liver qi depression + spleen-stomach weakness-type	2 out of 3	2 out of 3
	phlegm-fire congealing + stomach heat-type	2 out of 2	1 out of 2
Low-wide tone	Total	8 out of 15 (53.3%)	8 out of 15 (53.3%)
	liver fire harassing upward-type	4 out of 8	5 out of 8
	phlegm fire congesting-type	1 out of 3	2 out of 3
	spleen-stomach weakness-type	2 out of 3	1 out of 3
	kidney essence depletion-type	1 out of 1	0 out of 1