Treatment of knee osteochondritis dissecans with autologous tendon transplantation: Clinical and radiological results

Table 1 Demographic characteristics of patients

Age at time of surgery, yr, mean ± SD (range)	25.5 ± 6.8 (19-42)
Sex, M/F, n (%)	15 (75%)/5 (25%)
BMI, kg/cm2, mean ± SD (range)	27.1 ± 3.5 (21.6-32.4)
Side, R/L, n (%)	13 (59.9%)/9 (40.1%)
Location, MFC/LFC, n (%)	18 (81.8%)/4 (18.2%)
Size, cm2, mean ± SD (range)	4.2 ± 2.1 (2.1-9.0)
Depth, cm, mean ± SD (range)	0.9 ± 0.4 (0.4-1.7)
Follow-up duration, mo, mean ± SD (range)	68.7 ± 37.7 (30-182)

BMI: Body mass index; F: Female; L: left; LFC: Lateral femoral condyle; M: Male; MFC: Medial femoral condyle; R: Right; SD: Standard deviation.

Table 2 Clinical and radiological results of patients

		Preoperative, mean ± SD (range)	At final follow-up, mean ± SD (range)	P value
Total KOOS score		29.4± 5.5 (21.4-40.5)	81.5 ± 5.9 (74.2-92.7)	< 0.01
Pain		32.2 ± 5.8	91.3 ± 4.2	< 0.01
Symptoms		28.2 ± 6.4	89.1 ± 7.2	< 0.01
ADL		44.5 ± 8.1	85.1 ± 6.8	< 0.01
Sport		22.4 ± 4.6	74.5 ± 7.2	< 0.01
QOL		24.5 ± 5.8	72.4 ± 8.1	< 0.01
MOCART score		NM	56.2 ± 10.7 (40-75)	NM
Kellgren-Lawrence grade		0.4 ± 0.1 (0-1)	0.6 ± 0.1 (0-1)	NS

ADL: Activity of daily living; QOL: Quality of life; KOOS: Knee injury and osteoarthritis outcome score; MOCART: Magnetic resonance observation of cartilage repair tissue score; NM: Not measured; NS: Not significant; SD: Standard deviation.