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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