- The demographic factors of the patients (N=689).
| Variables | n (%) |
|---|---|
| Nationality | |
| Saudi | 302 (43.8) |
| Non-Saudi | 387 (56.2) |
| Gender | |
| Male | 464 (67.3) |
| Female | 225 (32.7) |
| Age, mean±SD | 53.7±15.12 |
| <30 | 40 (5.8) |
| 31-60 | 422 (61.2) |
| 61-90 | 224 (32.5) |
| >90 | 3 (0.4) |
| BMI, mean±SD | 29.89±6.63 |
| Underweight | 15 (2.2) |
| Normal weight | 100 (14.5) |
| Overweight | 251 (36.4) |
| Obese | 323 (46.9) |
| Initial location of admission | |
| Isolated ward | 577 (83.7) |
| ICU | 101 (14.7) |
| HDU | 11 (1.6) |
| Duration of hospitalization (days) | 14.82±19.33 |
| Duration of presenting symptoms at the time of admission (days) | 6.09±3.52 |
Values are presented as numbers and precentages (%) or mean ± standard deviation (SD). BMI: body mass index, ICU: intensive care unit, HDU: high dependency unit