Table 4.

Multivariate 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)	3.15	1.16–5.24	0.025	3.46	1.21–5.78	0.018
Distant metastasis (Positive vs. Negative)	2.94	1.02–4.98	0.027	3.36	1.14–5.71	0.020
MiR-101 expression (Low vs. high)	3.82	1.34–6.52	0.014	4.23	1.45–7.22	0.008

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