Table 1.

Results of the olfactory test (TDI) and the assessment of the QoL with the QOD in post-COVID patients, healthy controls, and control patients with olfactory disorders of other viral etiology

	TDI	QOD-QOL	QOD-P	QOD-DS	QOD-VAS
Healthy controls
Mean	33.80	7.94	1.28	11.69	5.78
N	32	32	32	32	32
SDM	±0.53	±1.15	±0.33	±0.55	±0.16
Postviral controls
Mean	20.04	27.43	5.07	11.25	20.75
N	14	14	14	12	14
SDM	±1.59	±2.79	±0.75	±1.04	±4.57
Post-COVID patients
Total
Mean	32.90	8.91	2.50	8.48	11.34
N	65	44	44	44	44
SDM	±0.86	±1.37	±0.41	±0.33	±1.60
Normosmia
Mean	35.37	7.69	2.36	8.47	9.25
N	53	36	36	36	36
SDM	±0.35	±1.40	±0.46	±0.39	±1.49
Hyposmia
Mean	21.97	14.38	3.13	8.50	20.75
N	12	8	8	8	8
SDM	±2.77	±3.70	±0.93	±0.46	±4.57

The QOD consists of various sub-scores: QOD-QOL, QOD-P, QOD-DS, and QOD-VAS.