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Demographic characteristics of the patients
| Sex | |
| Male | 9 (42.86 %) |
| Female | 12 (57.14 %) |
| Age | |
| Mean | 52.05 |
| Range | 17–73 |
| BMI (Kg/m2) | |
| Mean | 24.62 |
| Range | 19–30 |
| A.S.A. score | |
| I | 11/21 (52.40 %) |
| II | 7/21 (33.30 %) |
| III | 3/21 (14.30 %) |
| IV | 0/21 (0 %) |
| V | 0/21 (0 %) |
