Correlation between Post-COVID-19, Chemosensitive Function, Blood Group, and Oral Health-Related Quality of Life

Table 4

Chi-square test of association between positive and negative blood groups and chronic chemosensitive dysfunction in post-COVID-19 patients (fishers exact test).

Chemosensitive dysfunction	ABO blood groups		Chi-square	df	value
	Positive	Negative
Subjective loss of smell			6.058	4	0.127 ^NS
Anosmia	8 (100.0%)	0 (0.0%)
Severe hyposmia	12 (85.7%)	2 (14.3%)
Moderate hyposmia	28 (100.0%)	0 (0.0%)
Mild hyposmia	10 (83.3%)	2 (16.7%)
Normal	32 (86.5%)	5 (13.5%)
Subjective loss of taste			7.835	4	0.049
Ageusia	11 (84.6%)	2 (15.4%)
Severe hypogeusia	13 (86.7%)	2 (13.3%)
Moderate hypogeusia	27 (100.0%)	0 (0.0%)
Mild hypogeusia	9 (75.0%)	3 (25.0%)
Normal	30 (93.8%)	2 (6.2%)
CCCRC score			0.233	1	0.630 ^NS
Good	53 (93.0%)	4 (7.0%)
Poor	37 (88.1%)	5 (11.9%)
Taste intensity score			3.226	3	0.385 ^NS
1	18 (94.7%)	1 (5.3%)
2	34 (94.4%)	2 (5.6%)
3	22 (91.7%)	2 (8.3%)
4	16 (80.0%)	4 (20.0%)
Dysgeusia			0.000	1	1.000 ^NS
No	79 (90.8%)	8 (9.2%)
Yes	11 (91.7%)	1 (8.3%)

NS: not significant () : significant ().