| Variables | Complications | OR (95% CI) | P-value | |
| Yes n (%) | No n (%) | |||
| Age |
|
|
|
|
| ≥40 years | 3 (50.0) | 2 (28.6) | 2.5 (0.25 - 25.0) | 0.59 |
| <40 years | 3 (50.0) | 5 (71.4) |
|
|
| Comorbidities |
|
|
|
|
| Tobacco | 3 (50.0) | 2 (28 .6) | 2.5 (0.25 - 24.72) | 0.59 |
| Alcohol | 4 (66.7) | 4 (57.1) | 1.5 (0.16 - 14.42) | 1 |
| Lung disease | 0 (0) | 2 (28.6) | - | 0.46 |
| Duration of symptoms |
|
|
|
|
| >14 days | 2 (33.3) | 5 (71.4) | 5.0 (0.47 - 52.96) | 0.29 |
| <14 days | 4 (66. 7) | 2 (28.6) |
|
|