Table 2 Results for the standard cryotherapy group on rehab D1 (baseline) and D21

Passive flexion (°)

85.0

[70.0-92.5]

100.0

[92.5-107.5]

< 0.001*

AEL (°)

15.0

[2.5–27.5]

0.0

[0.0-7.5]

0.017*

Circumference at base of patella (cm)

45.0

[43.0-47.5]

42.0**

[41.0-44.7]

0.023*

Circumference + 15 cm from base of patella (cm)

48.5

[45.7–55.7]

44.5**

[42.0-51.2]

0.075

Circumference − 20 cm from base of patella (cm)

36.0

[34.0-38.2]

34.0**

[31.5–37.5]

0.241

Joint effusion

(1=+, 2=++, 3=+++)

3.0

[2.0–3.0]

2.0

[1.0–2.0]

< 0.001*

Pain at rest (VNRS)

3.0

[2.0–4.0]

2.0

[0.0-3.5]

0.052

Pain during activity (VNRS)

4.0

[2.5–6.5]

3.0

[1.5–4.5]

0.096

6MWT (m)

194.0

[150.0-265.0]

340.0

[281.7–415.0]

< 0.001*

KOOS (/68)

49.0

[35.0-53.5]

24.0

[15.5–34.5]

< 0.001*