| Total | Infected with COVID-19 N = 540 | Not infected with COVID-19 N = 6624 | P value |
---|---|---|---|---|
Nothing | 4140 (57.8) | 259 (48.0) | 3881 (58.6) | < 0.001 |
Gingival inflammation | 767 (10.7) | 71 (13.1) | 696 (10.5) | 0.06 |
Dry mouth | 539 (7.5) | 57 (10.6) | 482 (7.3) | 0.008 |
Change in taste | 238 (3.3) | 60 (11.1) | 178 (2.7) | < 0.001 |
Burns or ulcers | 89 (1.2) | 13 (2.4) | 76 (1.1) | 0.01 |