Table 4.
Sense of smell recovery and comorbidities at 6 month survey.
| Overall N = 798 |
Recovered N = 634 |
Abnormal smell N = 164 |
p-Value | ||
|---|---|---|---|---|---|
| Number of comorbidities | 0 | 409 (51.3) | 326 (797) | 83 (20.3) | .9287 |
| 1 | 269 (33.7) | 212 (78.8) | 57 (21.2) | ||
| 2 | 92 (11.5) | 75 (81.5) | 17 (18.5) | ||
| 3 | 22 (2.8) | 16 (72.7) | 6 (27.3) | ||
| 4 | 5 (0.6) | 4 (80.0) | 1 (20.0) | ||
| 5 | 1 (0.1) | 1 (100.0) | 0 (0.0) | ||
| Diabetes | No | 778 (97.5) | 616 (79.2) | 162 (20.8) | .1999 |
| Yes | 20 (2.5) | 18 (90.0) | 2 (10.0) | ||
| Cardiovascular disease | No | 711 (89.1) | 572 (80.5) | 139 (19.5) | .0537 |
| Yes | 87 (10.9) | 62 (71.3) | 25 (28.7) | ||
| Seasonal allergies | No | 508 (63.7) | 396 (78.0) | 112 (22.0) | .1631 |
| Yes | 290 (36.3) | 238 (82.1) | 52 (17.9) | ||
| Chronic sinus infection | No | 766 (96.0) | 607 (79.2) | 159 (20.8) | .4675 |
| Yes | 32 (4.0) | 27 (84.4) | 5 (15.6) | ||
| Nasal polyps | No | 793 (99.4) | 629 (79.3) | 164 (20.7) | .1286 |
| Yes | 5 (0.6) | 5 (100) | 0 (0.0) | ||
| Chronic respiratory disease | No | 721 (90.4) | 574 (79.6) | 147 (20.4) | .7293 |
| Yes | 77 (9.6) | 60 (77.9) | 17 (22.1) | ||
| Neurological disease | No | 796 (99.7) | 632 (79.4) | 164 (20.6) | .3371 |
| Yes | 2 (0.3) | 2 (100.0) | 0 (0.0) | ||
| Previous head injury | No | 767 (96.1) | 615 (80.2) | 152 (19.8) | .0181 |
| Yes | 31 (3.9) | 19 (61.3) | 12 (38.7) | ||