Variables | Number (%) or Median (mean ±SD) | P | |
---|---|---|---|
30 W | 100 W | value | |
No. of Pts. | 31 | 25 | |
Median age (yr) | 70 (68.8 ± 16.5) | 69 (68.4 ± 12.9) | n.s. |
Gender | |||
Male (%) | 23 (74.2%) | 22 (88.0%) | n.s. |
Female (%) | 8 (25.8%) | 3 (12.0%) | |
Stone burden (mm) | 25 (34.9 ± 29.6) | 32 (41.3 ± 31.3) | n.s. |
Maximum stone’s diameter (mm) | 15 (17.9 ± 9.3) | 20 (22.4 ± 10.1) | 0.09 |
No. of stones | 2 (3.2 ± 3.5) | 1 (2.0 ±1.7) | n.s. |
Solitary | 15 (48.4%) | 14 (56.0%) | n.s. |
2 | 7 (22.6%) | 6 (24.0%) | |
3 or more | 9 (29.0%) | 5 (20.0%) | |
Mean CT density of maximum stone’s center area (HU) | 981.5 (995.7 ± 394.4) | 902 (915.6 ± 297.3) | n.s. |