| Pulsed US group | Continuous US group | ||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Pulsed US (3Â MHz)a | Control-p | Control-c | Continuous US (1Â MHz)b | |||||||||||||||||||||
 | Before | After | CS | ES | Before | After | CS | ES | Before | After | CS | ES | Before | After | CS | ES | ||||||||
Bf | M | 60 | M | 57.6 | 2.8* | 0.12 | M | 60.3 | M | 60 | 1.1* | −0.07 | M | 60.6 | M | 59.9 | 0.8* | 0.03 | M | 60.6 | M | 56.9 | 3.5* | 0.2 |
SD | 10.6 | SD | 11.2 | SD | 10.7 | SD | 8.8 | SD | 8.9 | SD | 9.9 | SD | 8.9 | SD | 10.6 | |||||||||
CI | (55–65) | CI | (52–62) | CI | (55–64) | CI | (57–66) | CI | (56–64) | CI | (54–64) | CI | (56–64) | CI | (51–61) | |||||||||
St | M | 33.1 | M | 30.9 | 2.1* | 0.68 | M | 33.1 | M | 33 | 0.1* | −0.04 | M | 33.4 | M | 33.1 | 0.3* | 0.2 | M | 33.1 | M | 32.1 | 1.0* | 0.42 |
SD | 1.1 | SD | 1.1 | SD | 1.2 | SD | 0.8 | SD | 1.0 | SD | 0.9 | SD | 1 | SD | 1.2 | |||||||||
 | CI | (33–34) | CI | (30–32) |  |  | CI | (33–34) | CI | (33–33) |  |  | CI | (33–34) | CI | (33–34) |  |  | CI | (32–34) | CI | (31–33) |  |  |