Table 3.

Demographics and characteristics of patients with and without impaired sense of smell in COVID-19 positive patients.

	No impaired sense of smell	Impaired sense of smell	P-value
N	807	186
Demographics
Age (in years) (SD)	56.81 ± 0.68	45.02 ± 1.07	<0.0001
Female sex (%)	388 (48.08%)	127 (68.28%)	<0.0001
BMI (kg/m2) (SD)	29.40 ± 0.49	31.33 ± 1.07	0.096
Race (%)
White	469 (58.12%)	104 (55.91%)	0.62
Black	211 (26.15%)	61 (32.80%))	0.069
Symptoms
Cough	560 (83.04%)	150 (84.27%)	0.82
Fever	423 (63.61%)	102 (59.29%)	0.22
Fatigue	278 (53.88%)	72 (53.33%)	0.92
Shortness of breath	327 (51.01%)	63 (37.28%)	0.0018
Diarrhea	150 (27.42%)	53 (33.76%)	0.13
Loss of appetite	140 (30.30%)	45 (33.83%)	0.46
Vomiting	35 (6.57%)	12 (7.95%)	0.58
Sore throat	169 (20.94%)	55 (29.57%)	0.015
Nasal congestion	170 (21.01%)	76 (40.86%)	<0.0001
Rhinorrhea	98 (12.11%)	47 (25.27%)	<0.0001
Loss of taste	49 (6.06%)	166 (89.25%)	<0.0001
Comorbidities
Smoking	265 (41.47%)	61 (38.61%)	0.53
COPD (emphysema)	55 (8.63%)	3 (1.97%)	0.0029
Asthma	111 (17.16%)	36 (22.78%)	0.11
Diabetes	181 (27.76%)	25 (16.23%)	0.0028
Hypertension	377 (56.78%)	52 (32.91%)	<0.0001
Coronary artery disease	108 (16.90%)	4 (2.63%)	<0.0001
Heart failure	95 (14.87%)	1 (0.66%)	<0.0001
Cancer	104 (15.73%)	13 (8.07%)	0.012
Immunosuppressive treatment	71 (10.71%)	15 (9.55%)	0.77
Chronic sinusitis	37 (4.58%)	15 (8.06%)	0.066
Sinus surgery	15 (1.86%)	2 (1.08%)	0.75
Outcome
Hospitalized	232 (29.37%)	25 (13.97%)	<0.0001
Mechanical ventilation	53 (49.07%)	4 (36.36%)	0.53
ICU admission	80 (34.48%)	8 (32.00%)	1
Death	25 (5.49%)	0 (0.00%)	0.022

Bolded text signifies P-values that are statistically significant.