Table 6.

Frequency Distribution of Olfactory Dysfunction Occurrence According to the Different Comorbidities

The Comorbidities	Olfactory Dysfunction				X2	P.value
	Absent (85)		Present (233)
	No.	%	No.	%
Diabetes
Yes	0	0	60	26.9	28.403	0.000*
No	85	100	163	73.1
Hypertension
Yes	3	3.5	52	23.3	16.430	0.000*
No	82	96.5	171	76.7
Asthma
Yes	1	1.2	39	17.5	14.491	0.000*
No	84	98.8	184	82.5
Chronic liver disease
Yes	1	1.2	27	12.1	8.898	0.003*
No	84	98.8	196	87.9
Chronic renal disease
Yes	0	0	19	8.5	7.718	0.005*
No	85	100	204	91.5
Hypothyroidism
Yes	0	0	12	5.4	4.759	0.03*
No	85	100	211	94.6

Abbreviations: %, percentage (of columns); X2, chi-square test; P.value, significance; *, significant relationship.