Table I.

Demographic data of 15 patients treated with 3D-printed integrative endoprosthesis following extra-articular resection of the hip joint with posterior column preserved.

Patient	Age, yrs	Sex	Tumour location	Diagnosis	Neoadjuvant chemotherapy	Pathological fracture	Intraoperative time, hrs	Blood loss, ml	Follow-up, mths	MSTS	Oncological Status	Complications	Metastasis
1	25	M	Proximal femur	Osteosarcoma	Yes	No	4.08	1,000	54	27	AWD	Not observed	Lung metastasis
2	21	M	Proximal femur	Osteosarcoma	Yes	No	4.33	1,200	52	25	NED	Not observed	Lung metastasis
3	37	F	Proximal femur	Osteosarcoma	No	No	4.08	700	49	24	NED	Not observed	Not observed
4	54	M	Proximal femur	Osteosarcoma	Yes	Yes	3.67	600	48	26	NED	Not observed	Not observed
5	9	M	Proximal femur	Osteosarcoma	Yes	No	3.00	1,200	34	25	NED	Not observed	Not observed
6	45	M	Proximal femur	Chondrosarcoma	No	No	3.41	600	67	27	NED	Not observed	Not observed
7	16	M	Proximal femur	Osteosarcoma	Yes	No	3.08	1,000	41	26	DOD	Not observed	Lung metastasis
8	24	F	Proximal femur	Type B lymphoblastoma	Yes	Yes	3.58	600	13	NA	DOD	Not observed	Not observed
9	33	M	Proximal femur	Chondrosarcoma	No	No	5.50	2,000	28	24	NED	Not observed	Not observed
10	50	F	Acetabulum	Colon metastasis	Yes	No	4.00	500	26	27	NED	Not observed	Not observed
11	42	F	Acetabulum	Malignant giant cell tumour	No	No	4.25	1,200	29	28	NED	Not observed	Not observed
12	38	M	Acetabulum	Dedifferentiated chondrosarcoma	Yes	No	5.50	1,000	27	19	NED	Dislocation	Lung metastasis
13	53	F	Acetabulum	Chondrosarcoma	No	No	4.33	1,600	52	25	NED	Not observed	Not observed
14	65	M	Acetabulum	Chondrosarcoma	No	No	6.42	2,000	70	26	NED	Not observed	Not observed
15	74	F	Acetabulum	Chondrosarcoma	No	No	3.67	800	26	11	NED	Dislocation, deep infection	Not observed

AWD, alive with disease; DOD, died of disease; MSTS, Musculoskeletal Tumor Society score; N/A, not available; NED, no evidence of disease.