Peak intensity (dB)

AUC

Time to peak (s)

Mean perfusion time (s)

Wash in slope (dB/s)

Qi stagnation and blood stasis type group (n = 23)

Before therapy

6.37 ± 5.06

328.16 ± 239.90

27.92 ± 13.90

62.14 ± 5.51

0.98 ± 0.62

After treatment

4.44 ± 2.10

154.52 ± 77.40

32.01 ± 30.53

70.40 ± 1.77

0.58 ± 0.37

t

−1.095

−1.461

0.000

1.826

−0.73

P

0.273

0.144

1.000

0.068

0.465

Cold-dampness obstruction type group (n = 34)

Before therapy

7.61 ± 4.84

287.46 ± 164.09

24.07 ± 8.48

60.74 ± 10.60

0.81 ± 0.53

After treatment

4.58 ± 5.03^△

127.36 ± 92.01^△

32.38 ± 17.63

65.97 ± 5.47

0.49 ± 0.53

t

8.39

2.804

1.273

−1.370

1.092

P

0.000

0.038

0.259

0.229

0.325