Table 1.
Patients and stone characters
| Variable | Group A Antegrade FURS (N = 31) | Group B RIRS (N = 30) | Test | p value |
|---|---|---|---|---|
| Age, years, mean (SD) | 45.19 ± 7.58 | 44.93 ± 6.87 | t = 0.140 | 0.889 |
| Sex, n (%) | ||||
| Male | 16 (51.6) | 17 (56.7) | X2 = 0.157 | 0.692 |
| Female | 15 (48.4) | 13 (43.3) | ||
| Stone site, n(%) | ||||
| L2-3 | 5 (16.1) | 5 (16.7) | X2 = 0.178 | 0.981 |
| L3 | 7 (22.6) | 6 (20.0) | ||
| L3-4 | 13 (41.9) | 12 (40) | ||
| L4 | 6 (19.4) | 7 (23.3) | ||
| Stone size, mm, mean (SD) (Range) | 17.61 ± (2.19) (15–25) | 17.40 ± 2.21 (15–25) | t = 0.379 | 0.706 |
| Stone density, HU, mean (SD) | 980.9 ± 208.2 | 989.5 ± 188.3 | t = 0.168 | 0.867 |
| Stone side, n (%) | ||||
| Right | 14 (45.2) | 13 (43.3) | X2 = 0.021 | 0.886 |
| Left | 17 (54.8) | 17 (56.7) |