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

Table 1

Comparison of baseline data ( ± s).

	Control group	Study group	t/χ ^2
Gender (male/female)	27/18	25/20	0.182	0.670
Age (years)	29.88 ± 5.23	29.94 ± 5.82	0.51	0.959
KPS scores	71.62 ± 5.33	72.01 ± 4.96	0.359	0.720
Maximum tumor diameter (cm)	6.02 ± 1.74	5.74 ± 1.93	0.723	0.472
Tumor site			0.185	0.912
Femur	19	21
Tibia	16	15
Humerus	10	9