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Table 2 Olfactory and gustatory assessment results. The table shows the average olfactory and gustatory scores and the frequencies of each type of dysfunction at the three observation times

From: Do olfactory and gustatory psychophysical scores have prognostic value in COVID-19 patients? A prospective study of 106 patients

T0 olfactory score
Mean (SD)
44.5 (39.8) Clinical diagnosis N° of patients (%)
Anosmia 44 (41.5%)
Severe Hyposmia 11 (10.3%)
Moderate Hyposmia 12 (11.3%)
Mild Hyposmia 4 (3.8%)
Normal 35 (33%)
T1 olfactory score
Mean (SD)
57 (33.2) Clinical diagnosis N° of patients (%)
Anosmia 16 (15.1%)
Severe Hyposmia 29 (27.4%)
Moderate Hyposmia 13 (12.3%)
Mild Hyposmia 12 (11.3%)
Normal 36 (34%)
T2 olfactory score
Mean (SD)
72.4 (30) Clinical diagnosis N° of patients (%)
Anosmia 9 (8.4%)
Severe Hyposmia 12 (11.3%)
Moderate Hyposmia 9 (8.4%)
Mild Hyposmia 29 (27.4%)
Normal 47 (44.3%)
T0 gustatory score
Mean (SD)
1.9 (1.6) Clinical diagnosis N° of patients (%)
Ageusia 30 (28.3%)
Severe Hypogeusia 17 (16%)
Moderate Hypogeusia 24 (22.6%)
Mild Hypogeusia 5 (4.7%)
Normal 30 (28.3%)
T1 gustatory score
Mean (SD)
3 (1.1) Clinical diagnosis N° of patients (%)
Ageusia 5 (4.7%)
Severe Hypogeusia 3 (2.8%)
Moderate Hypogeusia 21 (19.8%)
Mild Hypogeusia 31 (29.2%)
Normal 46 (43.4%)
T2 gustatory score
Mean (SD)
3.4 (0.83) Clinical diagnosis N° of patients (%)
Ageusia 2 (1.9%)
Severe Hypogeusia 1 (0.9%)
Moderate Hypogeusia 9 (8.5%)
Mild Hypogeusia 38 (35.8%)
Normal 56 (52.8%)