Stem Cell Research & Therapy

Table 2 Comparison of preoperative and 2-year postoperative statuses based on arthroscopic and radiologic evaluations

From: Treatment of osteoarthritic knee with high tibial osteotomy and allogeneic human umbilical cord blood–derived mesenchymal stem cells combined with hyaluronate hydrogel composite

	Preoperative (n = 10)	Postoperative (n = 10)	Difference	p
Lesion size (cm²)	7.00 [4.38–10.50]	0.16 [0.00–1.75]	6.00 [4.38–7.81]	0.002^a
HKA angle (°)	7.50 [7.00–10.25]	-1.00 [-3.5–0.00]	10.50 [8.5–11.25]	0.002^a
ICRS grade (n)	4 [4–4]	1 [1–2.25]	3 [1.75–3]	0.002^a
KL grade (n)	3 [3–3]	2 [2–2]	1 [1–1]	0.004^a

^aWilcoxon signed-rank test: Preoperatively vs. 2 years postoperatively
HKA, Hip–knee–ankle; ICRS, International Cartilage Repair Society; KL, Kellgren–Lawrence grading system

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ISSN: 1757-6512

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