Risk Factor | Number | % | P value |
Diabetes Mellitus (DM) | 18 | 62.1 | 0.0001 |
Hypertension (HTN) | 16 | 55.2 | 0.0001 |
*Chronic lung disease (COPD) | 11 | 37.9 | 0.0015 |
**Renal impairment | 2 | 6.9 |
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