Table 1 Distribution of intra renal stone location and stone size. Number of stones (%)
Total | < 5 mm | 5–10 mm | 10–20 mm | >20 mm | |
|---|---|---|---|---|---|
Upper calyx, n (%) | 77 (13) | 23 (30) | 46 (60) | 8 (10) | 0 |
Middle calyx, n (%) | 76 (13) | 21 (28) | 47 (62) | 8 (10) | 0 |
Lower calyx, n (%) | 257 (44) | 46 (18) | 147 (57) | 59 (23) | 5 (2) |
Renal pelvis, n (%) | 179 (30) | 15 (9) | 101 (56) | 56 (31) | 7 (4) |