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Table 2 Changes of clinical measurements among four time points

From: Relationship between early physical activity after total knee arthroplasty and postoperative physical function: are these related?

Clinical measurements

Baseline

10th postoperative day

3rd postoperative month

6th postoperative month

TUG (s)

11.03 (9.00–12.40)

15.72 (12.18–20.50)*

9.60 (7.90–11.50)*,†

8.70 (7.60–11.85)*,†

Involved side

KES (Nm/kg)

0.81 ± 0.31

0.25 ± 0.14*

0.66 ± 0.23*,†

0.76 ± 0.20†,‡

Uninvolved side KES (Nm/kg)

1.01 ± 0.34

0.91 ± 0.34§

0.94 ± 0.29

0.94 ± 0.29

  1. TUG Timed Up and Go test, KES knee extensor strength
  2. *p < 0.01: significant difference compared with baseline value
  3. p < 0.001: significant difference compared with the 10th postoperative day value
  4. p < 0.001: significant difference compared with the 3rd postoperative month value
  5. §p < 0.05: significant difference compared with baseline value