Table 5 Chemosensory features of the PAC (Psychophysical Assessment of Chemosensory impairment) cohort (N = 50) at the three timepoints: acute infection, neurosensorial evaluation, phone-call interview.

From: Chemosensory assessment and impact on quality of life in neurosensorial cluster of the post COVID 19 syndrome

Chemosensory features

Acute infection

Chemosensory evaluation

Phone-call interview

Olfactory impairment

 Smell impairment reported

48 (96.0%)

49 (98.0%)

36 (73.5%)

 Parosmia

10 (20.0%)

23 (47.9%)

18 (36.7%)

 Phantosmia

9 (18.0%)

9 (18.0%)

17 (34.7%)

 Parosmia and Phantosmia

5 (10.0%)

6 (12.5%)

11 (22.4%)

 Parosmia or Phantosmia

14 (28.0%)

26 (53.1%)

24 (49.0%)

SSET assessment

 Anosmia

NA

9 (18.0%)

NA

 Hyposmia

NA

24 (48.0%)

NA

 Normosmia

NA

17 (34.0%)

NA

Patients with normosmia experiencing qualitative disorders

 Parosmia

NA

6 (6/17, 35.3%)

NA

 Phantosmia

NA

2 (2/17, 11.8%)

NA

 Parosmia and Phantosmia

NA

2 (2/17, 11.8%)

NA

 Parosmia or Phantosmia

NA

6 (6/17, 35.3%)

NA

Gustatory impairment

 Taste impairment reported

45 (90.0%)

38 (76.0%)

26 (53.1%)

 Parageusia

9 (18.4%)

25 (50.0%)

14 (28.6%)

 Phantogeusia

5 (10.2%)

8 (16.3%)

5 (10.2%)

 Parageusia and Phantogeusia

2 (4.2%)

5 (10.2%)

2 (4.1%)

 Parageusia or Phantogeusia

12 (25.0%)

28 (56.0%)

17 (34.7%)

 Sweet taste impairment

NA

27 (54.0%)

21 (42.0%)

 Bitter taste impairment

NA

23 (46.0%)

21 (42.0%)

 Salty taste impairment

NA

30 (60.0%)

23 (46.0%)

 Sour taste impairment

NA

24 (48.0%)

22 (44.0%)

 Umami taste impairment

NA

10 (23.8%)

8 (20.5%)

TST assessment

 Hypogeusia

NA

14 (28.0%)

NA

 Normogeusia

NA

36 (72.0%)

NA

 Sweet taste impairment

NA

2 (4.0%)

NA

 Bitter taste impairment

NA

8 (16.0%)

NA

 Salty taste impairment

NA

2 (4.0%)

NA

 Sour taste impairment

NA

5 (10.0%)

NA

Patients with normogeusia experiencing qualitative disorders

 Parageusia

NA

18 (18/36, 50.0%)

NA

 Phantogeusia

NA

3 (3/36, 8.0%)

NA

 Parageusia and phantogeusia

NA

2 (2/36, 5.6%)

NA

 Parageusia or phantogeusia

NA

19 (19/36, 52.8%)

NA

 Sweet taste impairment

NA

0 (0.0%)

NA

 Bitter taste impairment

NA

0 (0.0%)

NA

 Salty taste impairment

NA

0 (0.0%)

NA

 Sour taste impairment

NA

0 (0.0%)

NA

 Umami taste impairment

NA

6 (6/36, 16.7%)

NA

Nasal chemesthesis

 Nasal chemesthesis deficit reported

38 (76.0%)

6 (12.0%)

NA

 Air flux

8 (16.0%)

0 (0.0%)

NA

 Air temperature

9 (18.0%)

1 (2.0%)

NA

 Spicy food

18 (36.0%)

6 (12.0%)

NA

 Nasal congestion

26 (52.0%)

0 (0.0%)

NA

Oral chemesthesis

 Oral chemesthesis deficit reported

14 (28.0%)

5 (10.0%)

NA

 Food temperature

0 (0.0%)

0 (0.0%)

NA

 Food texture

0 (0.0%)

0 (0.0%)

NA

 Spicy food

14 (28.0%)

4 (8.0%)

NA

 Fizzy drinks

1 (2.0%)

1 (2.0%)

NA

Olfactory training information, at phone-call interview

 Patients involved in olfactory training

NA

40 (81.6%)

NA

 Patients who completed olfactory training

NA

NA

20 (20/40, 50%)

 Smell impairment reported

NA

NA

15 (15/20, 75%)

 Parosmia

NA

NA

11 (11/20, 55%)

 Phantosmia

NA

NA

8 (8/20, 40%)

 Parosmia and Phantosmia

NA

NA

6 (6/20, 30%)

  1. SSET: Sniffin’ Sticks Extended Test; TST: Taste Strips Test.