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. 2016 Mar 16;4(3):2325967116635515. doi: 10.1177/2325967116635515

TABLE 2.

OCD Surgery by Joint and Age Categorya

No. of Lesions % of All Lesions No OCD Surgery, % OCD Surgery, % P Valueb
Joint affected: total 333 100.0 64.6 35.4 .0565
 Knee 206 61.9 66.5 33.5
 Elbow 40 12.0 45.0 55.0
 Ankle 85 25.5 68.2 31.8
 Shoulder 2 0.6 100.0 0.0
Joint affected: age 12-19 y 258 77.5 57.0 43.0 .0721
 Knee 147 44.1 57.1 42.9
 Elbow 37 11.1 40.5 59.5
 Ankle 72 54.1 63.9 36.1
 Shoulder 2 1.5 100.0 0.0
Joint affected: age 6-11 y 75 22.5 90.7 9.3 .9175
 Knee 59 17.7 89.8 10.2
 Elbow 3 0.9 0.0 100.0
 Ankle 13 3.9 92.3 7.7

aOCD, osteochondritis dissecans.

bP values obtained from t tests for continuous variables and from Mantel-Haenzel chi-square for categorical variables.