Table 5 The Knee injury and Osteoarthritis Outcome Score for primary and revision ACL reconstruction

 Pain

75.2 (17.9)

77.8 (0.0; 100.0)

n = 853

76.1 (19.2)

80.6 (11.1; 100.0)

n = 898

1.3 (18.8)

0.0 (− 83.3; 66.7)

n = 754

0.017

 Symptoms

69.7 (18.3)

71.4 (3.6; 100.0)

n = 852

70.9 (19.3)

71.4 (10.7; 100.0)

n = 898

1.7 (20.7)

0.0 (− 75.0; 67.9)

n = 753

0.032

 ADL

84.9 (16.7)

91.2 (0.0; 100.0)

n = 853

85.0 (17.5)

92.7 (2.9; 100.0)

n = 897

0.2 (17.5)

0.000 (− 94.1; 61.8)

n = 753

0.37

 Sports and recreation

42.2 (28.0)

40.0 (0.0; 100.0)

n = 853

45.4 (29.9)

45.0 (0.0; 100.0)

n = 898

3.7 (30.7)

0.0 (− 75.0; 100.0)

n = 754

0.002

 QoL

34.3 (19.7)

31.3 (0.0; 100.0)

n = 853

34.9 (24.0)

31.3 (0.0; 100.0)

n = 898

1.4 (25.0)

0.0 (− 81.3; 100.0)

n = 754

0.86

 KOOS₄

55.3 (17.7)

55.7 (0.9; 100.0)

n = 853

56.8 (20.4)

56.5 (7.9; 100.0)

n = 898

2.0 (19.7)

1.9 (− 59.4; 61.5)

n = 754

0.012

 Pain

79.9 (18.7)

86.1 (5.6; 100.0)

n = 613

78.2 (20.6)

84.7 (5.6; 100.0)

n = 482

− 3.1 (20.1)

− 2.8 (− 63.9; 91.7)

n = 303

0.003

 Symptoms

72.8 (19.6)

75.0 (14.3; 100.0)

n = 612

71.1 (21.1)

75.0 (3.6; 100.0)

n = 482

− 2.8 (20.1)

0.0 (− 64.3; 60.7)

n = 302

0.014

 ADL

88.0 (16.3)

94.1 (11.8; 100.0)

n = 612

86.6 (18.3)

94.1 (2.9; 100.0)

n = 482

− 2.6 (16.1)

0.0 (− 61.8; 57.4)

n = 302

0.006

 Sports and recreation

56.0 (31.0)

60.0 (0.0; 100.0)

n = 613

51.9 (30.3)

52.5 (0.0; 100.0)

n = 482

− 5.2 (32.2)

− 5.0 (− 95.0; 100.0)

n = 303

0.002

 QoL

46.8 (28.2)

43.8 (0.0; 100.0)

n = 613

45.8 (26.2)

43.8 (0.0; 100.0)

n = 482

− 1.8 (29.3)

0.0 (− 81.3; 93.8)

n = 303

0.17

 KOOS₄

63.8 (22.2)

66.9 (7.9; 100.0)

n = 613

61.7 (22.4)

64.6 (3.7; 100.0)

n = 482

− 3.2 (22.3)

− 3.2 (− 59.8; 62.3)

n = 303

0.01

 Pain

5.8 (17.6)

5.6 (− 55.6; 66.7)

n = 452

2.8 (19.7) 2.8 (− 75.0; 72.2) n = 366

− 3.2 (28.2) − 2.8 (− 77.8; 94.5) n = 201

0.033

 Symptoms

4.3 (19.6)

3.6 (− 78.6; 60.7)

n = 451

0.6 (20.6) 0.0 (− 89.3; 89.3) n = 366

− 4.5 (.)(− 82.1; 121.4) n = 200

0.011

 ADL

3.7 (15.9)

1.5 (− 55.9; 61.8)

n = 451

2.1 (15.6) 0.0

(− 54.4; 55.9)

n = 365

− 0.6 (22.7)

− 1.5 (− 57.4; 97.1)

n = 200

0.088

 Sports and recreation

16.4 (31.3)

15.0 (− 85.0; 100.0)

n = 452

8.1 (32.7)

5.0 (− 100.0; 100.0)

n = 366

− 7.1 (46.9)

− 10.0 (− 115.0; 130.0)

n = 201

0.024

 QoL

15.6 (28.4)

12.5 (− 100.0; 87.5)

n = 452

12.1 (29.9)

12.5 (− 100.0; 93.8)

n = 366

− 3.8 (44.5)

− 6.3 (− 137.5; 125.0)

n = 201

0.26

 KOOS₄

10.5 (20.6)

11.3 (− 71.8; 69.9)

n = 452

5.9 (22.5)

5.9 (− 91.1; 71.4)

n = 366

− 4.6 (32.00)

− 4.2 (− 79.2; 99.3)

n = 201

0.028