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. Author manuscript; available in PMC: 2020 Aug 1.
Published in final edited form as: Am J Sports Med. 2019 Jul 18;47(10):2394–2401. doi: 10.1177/0363546519862279

Table 1.

Median (25%, 75% quartile) Outcome Scores over Time

Scale Baseline (T0)a 2-Year Follow-upb
IKDCc 0–100 52 (38,63) 77 (61,86)
KOOSd 0–100
• Symptoms 68 (54,82) 79 (64,89)
• Pain 75 (58,86) 89 (75,94)
• ADLe 87 (69,96) 97 (88,100)
• Sports/recreation 45 (25,65) 75 (55,90)
• Quality of life 31 (19,44) 56 (38,75)
WOMACf 0–100
• Stiffness 75 (50,88) 75 (62,100)
• Pain 85 (70,95) 95 (80,100)
• ADLe 87 (69,96) 97 (88,100)
Marx activity level 0–16 11 (4,16) 7 (2,12)
a

T0 = time at revision ACL reconstruction surgery

b

scores all significantly changed as compared to baseline (p<0.001), with the exception of the WOMAC stiffness scale.

c

IKDC = International Knee Documentation Committee “subjective” form

d

KOOS = Knee injury and Osteoarthritis Outcome Score

e

ADL = activities of daily living

f

WOMAC = Western Ontario and McMaster Universities Osteoarthritis Index