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Temporal Evolution of Normal Smell in COVID+ and COVID– Cohorts.
| Normosmia, No. (%) | ||||||
|---|---|---|---|---|---|---|
| Characteristic | COVID+, No. | COVID–, No. | COVID+ | COVID– | χ2 | P value |
| T0 (time of test) | 174 | 201 | 101 (58) | 163 (81) | 23.8 | <.001a |
| T1 (time of survey) | 166 | 195 | 85 (52) | 168 (86) | 52.2 | <.001a |
| T2 (time of follow-up) | 57 | 65 | 42 (74) | 61 (94) | 9.4 | .002a |
Abbreviations: COVID+, coronavirus disease 2019 positive; COVID–, coronavirus disease 2019 negative; No., number.
P < .05 represents significance.
