Skip to main content

Table 1 Study population demographics

From: Native knee kinematics is not reproduced after sensor guided cruciates substituting total knee arthroplasty

 

TKA

HEALTHY CONTROLS

p-VALUE

Age (years)

67.8 ± 6.8

59.4 ± 7.9

N.S

Sex

10 males

10 males

N.S

BMI (kg/m2)

32.8 ± 5.9

30.3 ± 4.6

N.S

KOOS pain score

75.0 ± 23.1

98.9 ± 1.9

 < 0.01

KOOS symptoms score

71.4 ± 21.9

97.1 ± 4.1

 < 0.01

KOOS ADL

81.2 ± 18.2

99.7 ± 0.9

 < 0.01

KOOS Sports

60.0 ± 31.8

99.0 ± 2.1

 < 0.01

KOOS QOL score

63.1 ± 31.0

96.9 ± 5.3

 < 0.01

Forgotten Joint Score

50.2 ± 38.1

N/A

N/A

KFH (°)

5.0 ± 4.1

4.5 ± 3.6

N.S

Midstance KFA (°)

16.1 ± 5.2

20.7 ± 5.5

0.07 (trend)

Tibial rotation at heelstrike

5.8 ± 5.4

11.2 ± 5.5

0.04

Peak KAA during swing (°)

0.2 ± 4.2

-5.1 ± 5.7

0.04

KAA excursion during swing (°)

6.0 ± 2.3

9.4 ± 4.9

0.07 (trend)

KAM 1 (%BW*Ht)

2.16 ± 0.52

2.38 ± 0.67

N.S

Peak KFM (%BW*Ht)

2.91 ± 1.41

3.27 ± 1.08

N.S

Peak KIRM (%BW*Ht)

0.78 ± 0.17

0.77 ± 0.27

N.S

  1. TKA Total Knee Arthroplasty group, BMI Body Max Index, WOMAC Western Ontario and McMaster Universities Arthritis Index, KOOS Knee injury and Osteoarthritis Outcome Score, KFH Knee Flexion angle at Heel-strike, KFA Knee Flexion Angle, KAA Knee Adduction Angle, KAM Knee Adduction Moment, KFM Peak Knee Flexion Moment, KIRM Knee Rotational Moment, N.S. no statistically significant difference, %BW*Ht Patient’s body-weight times body-height