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Table 3 Answers from the telephone questionnaire and EQ-5D from the revision ACLR (n = 78) and primary ACLR groups (n = 78) at follow-up

From: Poorer patient-reported knee function and quality of life, but not activity level, after revision ACL reconstruction compared with primary ACL reconstruction: a matched-pair analysis with a minimum 5-year follow-up

 

Revision ACLR group

Primary ACLR group

Mean difference (95% CI)

p-value

Knee function (0–10)

7 (2–10; 6–8)

8 (3–10; 7–9)

 

 < 0.001

Satisfaction with knee function (1–10)

 ACLR knee

7 (1–10; 6–8)

8 (4–10; 7–9)

 

 < 0.001

 Uninjured knee

10 (1–10; 9–10)

10 (5–10; 10–10)

 

0.050

I feel limited when exercising (1–10)

7 (1–10; 4–8)

8 (4–10; 6–9)

 

 < 0.001

Satisfaction with activity level (1–10)

8 (1–10; 5–9)

8 (1–10; 6–10)

 

0.281

Tegner Activity Scale

 Before first injury

9 (2–10; 8–9)

9 (2–10; 7–9)

 

0.177

 After first ACLR

8 (2–10; 6–9)

7 (1–10; 3–9)

 

0.067

 After second ACLR

5 (1–10; 2–8)

   

 At follow-up

2 (1–10; 2–5)

4 (1–10; 2–7)

 

0.229

Time last week (at follow-up) for:

 Everyday activities, minutesa

   

0.003

 0

2 (3)

1 (1)

  

  < 30

1 (1)

0 (0)

  

 30–60

4 (5)

1 (1)

  

 60–90

5 (6)

2 (3)

  

 90–150

12 (15)

8 (10)

  

 150–300

17 (22)

10 (13)

  

  > 300

37 (47)

55 (71)

  

Physical activities, minutesb

   

0.103

 0

12 (15)

14 (19)

  

  < 30

0 (0)

3 (4)

  

 30–60

2 (3)

4 (5)

  

 60–90

3 (4)

4 (5)

  

 90–120

4 (5)

5 (7)

  

  > 120

57 (73)

45 (60)

  

Reaching the WHO’s recommendation for physical activity, n (%)c

74 (95)

74 (96)

 

0.705

EQ-5D (0–1)d

0.86 ± 0.17 (0.82–0.91)

0.89 ± 0.11 (0.87–0.92)

-0.02 (-0.07 − 0.03)

0.427

EQ-5D VAS (0–100)d

79.2 ± 20.1 (74.2–84.3)

86.0 ± 11.6 (83.3–88.8)

-7.5 (-13.3 − 1.7)

0.012

  1. Data are presented as the mean ± SD (95% CI), median (range; interquartile range) or n (%)
  2. ACLR anterior cruciate ligament reconstruction, EQ-5D EuroQol 5-Dimensions, VAS visual analogue scale
  3. aThe question; “How much time did you spend last week on everyday exercise, e.g. cycling, walking, or gardening?”
  4. bThe question; “How much time did you spend last week doing physical exercise that makes you short of breath, e.g. running, gymnastics or ball sports?”. The primary group, one missing answer
  5. cAt least 150–300 min of moderate-intensity or at least 75–150 min of vigorous-intensity aerobic physical activity
  6. dThe revision group, 16 missing answers. The primary group, seven missing answers