Table 1. Demographic and clinical characteristics of patients

Patient no.	Sex	Age	Tongue sensation	Taste symptom	Symptom duration	Etiology	B12 (pg/mL)
1	M	41	Dysaesthesia	Parageusia	1M	Total gastrectomy	30
2	M	65	Dysaesthesia	Parageusia	3M	Malnutrition	50
3	M	72	Pain	Hypogeusia	6M	Total gastrectomy	92
4	M	76	Pain	Hypogeusia	4M	Total gastrectomy	100
5	F	72	Pain	Hypogeusia	5M	Total gastrectomy	100
6	M	56	Pain	Ageusia	1M	Total gastrectomy	30
7	F	63	Pain	Parageusia	36M	Atrophic gastritis	113
8	F	42	Pain	Hypogeusia	24M	Atrophic gastritis	106
9	M	53	Dysaesthesia	Parageusia	3M	Total gastrectomy	114
10	M	64	Dysaesthesia	Hypogeusia	6M	Total gastrectomy	108
11	M	68	Pain	Parageusia	5M	Total gastrectomy	96
12	M	71	Pain	Parageusia	6M	Total gastrectomy	69
13	M	73	Pain	Agusia	3M	Total gastrectomy	56
14	F	74	Pain	Parageusia	7M	Malnutrition	79