| Preoperative Criteria | Variable | Number (n=12) | % |
|---|---|---|---|
| Gender | Male | 8 | 66.6 |
| Female | 4 | 33.3 | |
| Mean±S.D | Minimum | Maximum | |
| Age | 44.6±8.04 | 29 | 55 |
| BMI | 26.9±2.91 | 22.5 | 31.5 |
| Stone Size (cms.) | 1.7±0.21 | 1.3 | 2 |
| Location | Upper Calyx | 0 | 0 |
| Middle Calyx | 2 | 16.6 | |
| Lower Calyx | 7 | 58.3 | |
| Pelvis | 3 | 25 | |
| Side | Left | 6 | 50 |
| Right | 6 | 50 | |
| ASA Score | 1 | 4 | 33.3 |
| 2 | 7 | 58.3 | |
| 3 | 1 | 8.3 | |
| Creatinine (mg/dL) | 0.9±0.09 | 0.8 | 1.1 |
| Haemoglobin (g/dL) | 13.1±0.59 | 12.2 | 14.1 |