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. Author manuscript; available in PMC: 2019 Mar 1.
Published in final edited form as: Am J Sports Med. 2018 Feb 5;46(4):869–875. doi: 10.1177/0363546517751661

Table 4.

Mean±SD for the imaging outcomes between the patients categorized as symptomatic compared to the asymptomatic patients using the KOOS pain score at 7 years. WORM Score Difference (Sx–Ctl), OARSI Xray Score Difference (Sx–Ctl) and Joint Space Width Difference (Sx–Ctl, mm). Sx = surgical knee; Ctl = contralateral control knee.

Outcome
Measure		 Symptomatic
Patients
(Mean±SD)		 Asymptomatic
Patients
(Mean±SD)		 p-value
WORM Score* 13.7±22.2 5.8±14.5 .047
OARSI Xray Score 2.8±5.0 0.8±1.9 .051
JSW (mm) −0.32±0.68 −0.03±0.182 .487
*

indicates a significant difference between groups.

OARSI = Osteoarthritis Research Society International; WORM = Whole Organ MRI; JSW = medial joint space width.