Table 3.

Univariate analysis of prognostic factors in 152 osteosarcoma patients

Variables	Overall survival			Recurrence free survival
	RR	95% CI	$P$	RR	95% CI	$P$
Clinical stage (IIB/III vs. IIA)	3.42	1.21–5.88	0.019	3.14	1.09–5.32	0.025
Distant metastasis (Positive vs. Negative)	3.25	1.16–5.45	0.023	3.72	1.33–6.26	0.017
MiR-101 expression (Low vs. high)	4.17	1.43–7.08	0.012	4.45	1.57–7.49	0.006

${}^{*}P⩽$ 0.05. CI, confidence interval; RR, risk ratio.