Open Access
Table 1
Risk factors*.
| Risk factor | Patients (%) |
|---|---|
| Bronchial asthma | 1 (2.5) |
| Chronic kidney disease (CKD) | 12 (30.7) |
| Diabetes mellitus | 5 (12.8) |
| Chronic hepatic impairment | 11 (28.2) |
| Hypertension | 5 (12.8) |
| Ischemic heart disease | 1 (2.5) |
| Previous spine surgery | 1 (2.5) |
| None | 14 (35.9) |
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