Table 1.
Characteristics of study samples.
| Study center | Abu Dhabi Emirate Dataset | Dubai Emirate Dataset | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Al Ain Hospital | Dubai Mediclinic Parkview Hospital | |||||||||||
| DEMOGRAPHICS | ||||||||||||
| Totaln = 605 | Femalen = 86 | Malen = 519 | Totaln = 560 | Femalen = 189 | Malen = 371 | |||||||
| - 18–39 yo | 341 | 56.36% | 47 | 54.65% | 294 | 56.65% | 292 | 52.14% | 119 | 62.96% | 173 | 46.63% |
| - 40–64 yo | 253 | 41.81% | 33 | 38.37% | 220 | 42.39% | 236 | 42.14% | 55 | 29.10% | 181 | 48.79% |
| - ≥65 yo | 11 | 1.81% | 6 | 6.98% | 5 | 0.96% | 32 | 5.71% | 15 | 7.94% | 17 | 4.58% |
| SEVERITY OF COVID-19 | ||||||||||||
| Asymptomatic/mild | 357 | 59.01% | 54 | 62.79% | 303 | 58.38% | 343 | 61.25% | 129 | 68.25% | 214 | 57.68% |
| Moderate | 215 | 35.54% | 28 | 32.56% | 187 | 36.03% | 88 | 15.71% | 29 | 15.34% | 59 | 15.9% |
| Severe | 31 | 5.12% | 4 | 4.65% | 27 | 5.20% | 83 | 14.82% | 20 | 10.58% | 63 | 16.98% |
| Critical | 2 | 0.33% | 0 | 0.00% | 2 | 0.39% | 46 | 8.21% | 11 | 5.82% | 35 | 9.43% |
| Criteria of severity level | Radiological criteria | Clinical criteria | ||||||||||
| - Mild form | Lung involvement < 5% total lung volume | Clinical symptoms of upper respiratory tract infection and no signs of pneumonia | ||||||||||
| - Moderate form | Lung involvement [5%, 25%) total lung volume | Fever and respiratory symptoms with radiological findings of pneumonia | ||||||||||
| - Severe form | Lung involvement [25%, 50%) total lung volume | ARDS: respiratory rate > 30/min, SpO2 <93% at rest, P/F ratio <300 | ||||||||||
| - Critical form | Lung involvement ≥ 50% total lung volume | Any of the following: P/F ratio < 200, sepsis, multiorgan failure, GCS<13 | ||||||||||