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Table 3 Modulus knee muscle strength (N-m)

From: Effect of high body mass index on knee muscle strength and function after anterior cruciate ligament reconstruction using hamstring tendon autografts

 

Baseline

16 weeks

28 weeks

‡p value

§p value

δp value

Mean±SD

Mean±SD

Mean±SD

Injury side

Extensor

Normal BMI group

42±31

65±33‡

75±40§δ

0.028

0.011

0.042

High BMI group

64±35

66±36

76±36

0.777

0.213

0.181

†p value

0.152

0.937

0.938

   

Flexor

Normal BMI group

35±18†

51±12

66±25 §

0.066

0.011

0.072

High BMI group

58±26

61±23

73±25

0.671

0.055

0.065

†p value

.034

0.287

0.520

   

Uninjured side

Extensor

Normal BMI group

76±40

99±30

96±36§

0.097

0.004

0.754

High BMI group

101±39

120±46

131±42§

0.068

0.003

0.296

†p value

0.152

0.271

0.058

   

Flexor

Normal BMI group

48±16†

66±14‡

67±20§

0.015

0.002

0.921

High BMI group

75±26

85±29

89±32

0.088

0.094

0.648

†p value

0.016

0.109

0.054

   
  1. †p ≤ 0.05 between normal and high BMI group
  2. §p ≤ .05 between baseline and 28 weeks
  3. ‡p ≤ .05 between baseline and 16 weeks
  4. δp ≤ .05 between 16 weeks and 28 weeks