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Demographic characteristics
| Characteristics | Group-I | Group-II | p-value |
|---|---|---|---|
| Number of patients (n) | 116 | 132 | |
| Male/females (n) | 77/39 | 86/46 | |
| Mean age ± SD (years) | 46.1±13.9 | 45.5±13.8 | 0.727 |
| Mean tract length (mm) | 88.9 | 88.4 | 0.717 |
| Mean stone size (mm2) | 764 | 781 | 0.805 |
| Mean Hounsfield units | 1190 | 1074 | 0.078 |
| No. of access | 1 | 1 |
