- Comparison of ORL symptoms according to severity of COVID-19 (N=1734).
| Symptoms | Severity of COVID-19 | P-value* | |
|---|---|---|---|
| Mild (n=898) | Moderate - severe (n=836) | ||
| n (%) | |||
| Anosmia | 408 (45.4) | 393 (47.0) | 0.504 |
| Loss of taste | 398 (44.3) | 385 (46.1) | 0.451 |
| Waking up at night | 348 (38.8) | 350 (41.9) | 0.183 |
| Excessive daytime sleep | 337 (37.5) | 348 (41.6) | 0.081 |
| Morning headache | 342 (38.1) | 336 (40.2) | 0.399 |
| Sore throat | 331 (36.9) | 322 (38.5) | 0.49 |
| Hyposmia | 316 (35.2) | 313 (37.4) | 0.331 |
| Nasal congestion | 302 (33.6) | 297 (35.5) | 0.405 |
| Difficulty falling asleep | 296 (33.0) | 283 (33.9) | 0.685 |
| Sneezing | 255 (28.4) | 240 (28.7) | 0.89 |
| Voice change | 260 (29.0) | 233 (27.9) | 0.612 |
| Rhinorrhea | 253 (28.2) | 236 (28.2) | 0.909 |
| Foreign body sensation in throat | 245 (27.3) | 227 (27.2) | 0.95 |
| Hoarseness of voice | 231 (25.7) | 226 (27.0) | 0.539 |
| Voice fatigue | 235 (26.2) | 221 (26.4) | 0.924 |
| Dizziness | 217 (24.2) | 208 (24.9) | 0.69 |
| Breathlessness during speaking | 215 (23.9) | 200 (23.9) | 0.99 |
| Odynophagia | 204 (22.7) | 197 (23.6) | 0.68 |
| Heart burn | 190 (21.2) | 199 (23.8) | 0.181 |
| Facial pain/pressure | 166 (18.5) | 173 (20.7) | 0.3 |
| Postnasal drip | 172 (19.2) | 161 (19.3) | 0.908 |
| Abrupt awakenings accompanied by gasping | 148 (16.5) | 159 (19.0) | 0.161 |
| Dysphagia | 145 (16.1) | 148 (17.7) | 0.374 |
| Ear pain pressure | 137 (15.3) | 143 (17.1) | 0.301 |
| Loud snoring | 112 (12.5) | 133 (15.9) | 0.042 |
| Tinnitus | 106 (11.8) | 126 (15.1) | 0.041 |
| Ear fullness | 99 (11.0) | 100 (12.0) | 0.514 |
| Epistaxis | 42 (4.7) | 46 (5.5) | 0.39 |
| Loss of voice | 40 (4.5) | 45 (5.4) | 0.387 |
| Hearing loss | 22 (2.4) | 47 (5.6) | 0.001 |
| Otorrhea | 22 (2.4) | 23 (2.8) | 0.689 |
ORL: otorhinolaryngology, COVID-19: coronavirus disease-19, *Chi-square test