Group | Acoustic output power (W) | Number | Mean weight (mg) | Standard deviation | Min (mg) | Median (mg) | Max (mg) | P Value |
---|---|---|---|---|---|---|---|---|
1 | 0 | 60 | −4.2 | 0.01 | −18.5 | −5.5 | 8.5 | - |
2 | 50 | 62 | −2.6 | 0.01 | −13.5 | −3 | 15.5 | 0.6666 |
3 | 100 | 20 | −1 | 0.01 | −10.5 | 0 | 7.5 | 0.1285 |
4 | 125 | 63 | −1.7 | 0.01 | −15.5 | −1.5 | 14.5 | 0.1134 |
5 | 150 | 65 | −1.2 | 0.01 | −12.5 | −1.5 | 10.5 | 0.0266 |
6 | 200 | 20 | 18.3 | 0.1 | −17.5 | −3 | 433.5 | 0.6666 |
7 | 235 | 20 | −2.8 | 0.01 | −10.5 | −3.5 | 6.5 | 0.6666 |
8 | 270 | 22 | −1.3 | 0.01 | −12.5 | 1.5 | 15.5 | 0.2868 |
9 | 400 | 20 | 2 | 0.01 | −17.5 | 0 | 18.5 | 0.0048 |
Overall | - | 352 | 0 | 0.02 | 20 | 0 | 0.43 | - |