Table II.

Relationships Between Characteristics of Olfactory Loss and the Chance of Olfactory Recovery as Well as the Degree of Olfactory Recovery.

	Recovery			Degree of olfactory recovery
	No (n = 6)	Yes (n = 134)	P	Unchanged (n = 6)	Incomplete (n = 62)	Complete (n = 72)	P
Age, years	30.9 ± 7.4	38.9 ± 13.5	0.22	30.9 ± 7.4	37.7 ± 10.3	39.9 ± 15.7	.5
Time from smell loss to olfactory recovery onset, days	‐	11.6 ± 6		‐	13.4 ± 6.4	10 ± 5.6	.0004
Time from smell loss to survey, days	22.8 ± 6	26.1 ± 7.6	0.3	22.8 ± 6	25.3 ± 7.1	26.8 ± 8.2	.37
Olfactory disorder onset
Isolated OD	1	4		1	1	3
OD concomitant with other symptoms	1	19	0.06	1	10	9	.21
OD onset after other symptoms	3	106		3	48	58
OD onset before other symptoms	1	5		1	3	2
Nasal Obstruction at OD onset
No	2	109	0.017	2	49	60	.023
Yes	4	25		4	13	12
Sore/dry/tingling nasal cavity
No	4	89	0.99	4	33	56	.007
Yes	2	45		2	29	16
Permanent OD
Yes	0	4	0.99	0	3	1	.44
No	6	130		6	59	71
Gustatory disorders
No	0	16	0.99	0	5	11	.39
Yes	6	118		6	57	61
Gustatory disorders recovery
Unchanged	3	3	<0.0001	3	3	0	< .0001
Partial	3	35		3	32	3
Total	0	80		0	22	58

OD = olfactory disorders.