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Table 2 Participants’ jumping heights (cm), squat jump peak power (W) and drop jump take-off efficiency (unitless) presented as means with 95% confidence intervals

From: Foot tapping and unilateral vertical jump performance in athletes after knee surgery: an explorative cross-sectional study

 

ACLR athletes (n = 17)

Uninjured athletes (n = 67)

P valuea

mCON (n = 17)

uCON (n = 50)

SJ height

    

 Injured

13.7 (11.1–16.3)

  

< 0.001

 Matched

 

20.0 (18.1–22.0)

  

 Right

  

20.4 (19.2–21.6)

 

SJ height

    

 Uninjured

17.3 (14.9–19.8)

  

0.03

 Matched

 

20.6 (18.4–22.8)

  

 Left

  

21.0 (19.6–22.4)

 

DJ height

    

 Injured

13.1 (10.7–15.4)

  

< 0.001

 Matched

 

17.5 (15.9–19.2)

  

 Right

  

17.9 (16.6–19.2)

 

DJ height

    

 Uninjured

17.3 (15.8–18.8)

  

0.48

 Matched

 

17.6 (15.7–19.4)

  

 Left

  

18.4 (17.3–19.6)

 

SJ peak power

    

 Injured

2320 (1906–2735)

  

< 0.02

 Matched

 

2882 (2499–3264)

  

 Right

  

2842 (2679–3005)

 

SJ peak power

    

 Uninjured

2545 (2146–2944)

  

0.18

 Matched

 

2914 (2515–3313)

  

 Left

  

2875 (2708–3042)

 

DJ take-off efficiency

    

 Injured

0.35 (0.28–0.43)

  

< 0.001

 Matched

 

0.59 (0.52–0.66)

  

 Right

  

0.59 (0.53–0.64)

 

DJ take-off efficiency

    

 Uninjured

0.50 (0.45–0.55)

  

0.16

 Matched

 

0.57 (0.50–0.64)

  

 Left

  

0.59 (0.54–0.64)

 
  1. ACLR anterior cruciate ligament reconstruction, DJ drop jump, mCON matched controls, uCON unmatched controls, SJ squat jump
  2. aP value of univariate analysis of variance