Table 1.
p-Tm:YAG ablation efficiency for stone dust from human urinary stones
| Stone composition | Laser setting (200 J@10W) | One-way ANOVA for laser settings within each stone composition | |||
|---|---|---|---|---|---|
| 0.1 J × 100 Hz | 0.4 J × 25 Hz | 2.0 J × 5 Hz | |||
|
Ablated stone dust mass (mg) (95% CI) |
COM |
8.4 (5.1–11.7) |
11.8 (7.9–15.8) |
13.9 (8.2–19.6) |
p = 0.08 |
| UA |
8.1 (3.9–12.3) |
9.3 (5.7–12.9) |
12.1 (9.5–14.8) |
p = 0.11 | |
| Student’s t test for each laser setting | p = 0.89 | p = 0.22 | p = 0.45 | – | |
|
Ablation mass efficiency (mg/J) (95% CI) |
COM |
0.042 (0.025–0.058) |
0.059 (0.039–0.079) |
0.070 (0.041–0.098) |
p = 0.08 |
| UA |
0.041 (0.019–0.062) |
0.046 (0.028–0.064) |
0.061 (0.047–0.074) |
p = 0.11 | |
| Student’s t test for each laser setting | p = 0.89 | p = 0.22 | p = 0.45 | – | |
|
Ablation volume efficiency* (mm3/J) (95% CI) |
COM |
0.021 (0.012–0.029) |
0.029 (0.019–0.039) |
0.034 (0.020–0.048) |
p = 0.08 |
| UA |
0.026 (0.013–0.040) |
0.030 (0.018–0.042) |
0.039 (0.031–0.048) |
p = 0.11 | |
| Student’s t test for each laser setting | p = 0.35 | p = 0.86 | p = 0.42 | - | |
*Volume estimated using prior reported stone density of natural human urinary stones[36]