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Journal of Orthopaedics and Traumatology

Official Journal of the Italian Society of Orthopaedics and Traumatology

Table 7 Temporal pattern of functional outcome scales in patients aged ≥ 68 years with an MB implant

From: Temporal patterns of commonly used clinical outcome scales during a 5-year period after total knee arthroplasty

Score

Preop.

p-Value

PO 6 months

p-Value

PO 1 year

p-Value

PO 2 years

p-Value

PO 5 years

ROM

126.2 (2.8)

0.003

133.5

0.362

134.3 (1.6)

0.900

134.2 (1.9)

0.027

132.0 (2.2)

AKS

 Knee score (100)

42.5 (1.3)

< 0.001

95.8 (1.1)

0.052

93.9 (1.0)

0.852

94.0 (1.1)

< 0.001

90.1 (1.2)

 Function score (100)

57.6 (2.4)

< 0.001

89.5 (2.0)

< 0.001

98.9 (0.8)

0.944

98.8 (0.8)

0.837

95.2 (2.4)

WOMAC

 Pain (20)

11.4 (0.6)

< 0.001

2.6 (0.5)

0.069

1.5 (0.3)

0.297

2.2 (0.6)

< 0.001

4.3 (0.8)

 Stiffness (8)

5.0 (0.3)

< 0.001

2.4 (0.2)

0.013

1.8 (0.2)

0.035

1.2 (0.2)

0.001

2.3 (0.3)

 Function (68)

39.1 (1.6)

< 0.001

18.6 (1.3)

< 0.001

12.4 (1.3)

0.612

11.6 (1.4)

< 0.001

21.0 (2.0)

SF-36

 PCS

29.5 (0.8)

< 0.001

42.0 (1.4)

0.013

45.8 (1.4)

0.442

44.7 (1.3)

0.016

40.7 (1.2)

 MCS

40.6 (1.8)

0.003

47.7 (1.9)

0.126

51.4 (1.6)

0.427

52.6 (1.5)

< 0.001

43.4 (2.0)

  1. MB mobile bearing, Preop. preoperative, PO postoperative, ROM range of movement, AKS American Knee Society score, WOMAC Western Ontario and McMaster Universities Arthritis Index score, SF-36 36-Item Short Form Health Survey, PCS physical component summary, MCS mental component summary
  2. Italics indicates significant p-values
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