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Preexisting comorbidities
| Preexisting conditions | ≤ 60 Years old | >60 years old |
| Number(%) | Number(%) | |
| Ischemic heart disease | 7(0.6) | 2(8.7) |
| Hypertension | 9(7.2) | 5(23.5) |
| Diabetes mellitus (I or II) | 8(6.2) | 2(8.7) |
| Chronic obstructive lung disease | 0 | 1(4.5) |
| Peripheral vascular disease | 1(0.7) | 1(4.5) |
| Thyroid disease | 2(1.7) | 1(4.5) |
| Previous pelvic radiation | 9(7.2) | 3(13) |
