| Pulsed US group | Continuous US group | ||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Pulsed US (3Â MHz)a | Control-p | Control-c | Continuous US (1Â MHz)b | |||||||||||||||||||||
 | Before | Aftre | CS | ES | Before | After | CS | ES | Before | After | CS | ES | Before | After | CS | ES | ||||||||
Aβ | M | 8.5 | M | 7.6 | 0.9 | 0.14 | M | 8.5 | M | 7.1 | 1.3 | 0.12 | M | 8.6 | M | 7.8 | 0.8 | 0.2 | M | 8.6 | M | 8.0 | 0.7 | 0.1 |
SD | 3.8 | SD | 1.7 | SD | 3.8 | SD | 1.8 | SD | 2.4 | SD | 1.7 | SD | 2.4 | SD | 2.2 | |||||||||
CI | (6.8–10) | CI | (7.5–9.7) | CI | (6–10) | CI | (7–8) | CI | (6–8) | CI | (7–9) | CI | (7–9) | CI | (6.9–9) | |||||||||
C | M | 13.4 | M | 12.2 | 1.3* | 0.17 | M | 13.4 | M | 10.5 | 2.8* | 0.36 | M | 12 | M | 10.8 | 1.6* | 0.2 | M | 12.4 | M | 11.4 | 1* | 0.1 |
SD | 3 | SD | 3.6 | SD | 3 | SD | 3.8 | SD | 4.3 | SD | 3.9 | SD | 4.4 | SD | 3.6 | |||||||||
 | CI | (12–15) | CI | (10–13) |  |  | CI | (12–14) | CI | (8–12) |  |  | CI | (10–15) | CI | (9–13) |  |  | CI | (10–14) | CI | (9.8–13) |  |  |