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

t

P

Cold-dampness obstruction type group (n = 34)

t

P

Before therapy

After treatment

Before therapy

After treatment

Suprapatellar sac effusion

5.11 ± 3.00

3.71 ± 2.91^△

3.052

0.007

4.54 ± 2.29

3.42 ± 2.25^△

2.731

0.011

Synovial thickness

3.84 ± 2.52

3.41 ± 2.55

0.756

0.457

4.16 ± 2.51

3.26 ± 3.07

1.922

0.072

Quadriceps tendon

6.17 ± 0.94

6.55 ± 1.33

−1.388

0.183

6.35 ± 1.30

6.10 ± 0.96

0.810

0.426

Biceps femoris tendon

5.93 ± 0.87

5.99 ± 1.29

−0.221

0.828

3.79 ± 1.00

5.71 ± 1.37

−0.254

0.802

Patellar tendon

3.55 ± 0.55

3.58 ± 0.62

−0.222

0.827

3.69 ± 1.17

3.35 ± 0.33

1.611

0.120

Meniscus protrusion height

2.0 ± 1.78

2.47 ± 2.26

−1.316

0.206

3.17 ± 2.20

2.54 ± 2.25^△

2.879

0.008

Infrapatellar fat pad thickness

6.85 ± 1.14

7.38 ± 1.97

−0.974

0.343

6.46 ± 1.42

7.34 ± 1.74^△

−2.722

0.012

Anterior thigh fat pad thickness

7.72 ± 2.60

7.62 ± 2.14

−0.069

0.945

6.90 ± 2.02

7.88 ± 2.28^△

−2.655

0.014