Table 3.

Review of the literature.

	Nr	Median or mean age	Localization metastasis	Median or mean survival from diagnosis	Median or mean survival from metastasis	Median or mean time interval from initial diagnosis to metastasis
Piccirilli et al., 2008	128	40	All	17 months	NR	NR
Lun et al., 2011	88	38	All	10.5 months	1.5 months	8.5 months
Kalokhe et al., 2012	79	42	All	13 months	5 months	9.5 months
Pietschmann et al., 2015	150	42	All	13 months	6.0 months	9.0 months
Anghileri et al., 2016	94	NR	All	12 months	NR	8.5 months
Goodwin et al., 2016	28	38.4	Vertebra	26 months	10 months	26.4 months
Cunha and Maldaun, 2019	115	38.2 39.5	All	10/15 months	2.3/4.6 months	7.5/11.7 months
Noch et al., 2021	NR	40	All	11 months	2.5 months	8 months
Strong et al., 2022	92	44	Bone	16 months	3.1 months	NR

NR; not reported.