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. 2012 Mar 9;3:17–20. doi: 10.2147/OAJSM.S29115

Table 2.

Relationship between clinical findings and severity

Severity Clinical findings
Swelling Tenderness Osseous upheaval
I 20 knees
(45%)
40 knees
(90%)
5 knees
(11%)
II 11 knees
(50%)
21 knees
(95%)
5 knees
(22%)
III 12 knees
(50%)
12 knees
(50%)
6 knees
(25%)

Note: No significant relationship between clinical findings and radiographic severity of Osgood–Schlatter disease determined by the chi-squared test.