Exploring the Diagnostic Dilemma of Indeterminate Pulmonary Nodules in Patients with Primary Sarcoma of Bone

Table 5

Regression analysis for metastasis-free survival for patients with primary sarcoma of the bone without evident metastatic disease on presentation.

		Hazard ratio	CI	value
Age		1.012	0.994–1.030	0.191
Gender	Male	1.089	0.587–2.020	0.787
	Female
Diagnosis	Osteosarcoma	0.739	0.354–1.542	0.420
	Chondrosarcoma	0.909	0.274–3.011	0.876
	Ewing sarcoma	0.333	0.066–1.679	0.183
	Chordoma	1.406	0.626–3.161	0.409
	Others
Anatomic location	Lower extremity	0.366	0.123–1.091	0.071
	Upper extremity	0.870	0.286–2.643	0.806
	Spine/chest wall	1.412	0.729–2.733	0.307
	Pelvis
Presence of indeterminant nodules on preoperative CT chest	Yes	0.981	0.493–1.955	0.958
	No
Development of indeterminant nodules on surveillance CT chest	Yes	2.008	0.997–4.041	0.051
	No