[Retracted] Efficacy of Neoadjuvant Chemotherapy plus Limb-Sparing Surgery for Osteosarcoma and Its Impact on Long-Term Quality of Life

Table 2

Comparison of clinical efficacy (%).

Groups	n	CR	PR	PD	Efficacy
Control group	45	14 (31.11)	21 (46.67)	10 (22.22)	35 (77.78)
Study group	45	21 (46.67)	22 (48.89)	2 (4.44)	43 (95.56)
χ ^2	—		6.154
	—		0.013