Skip to main content

Table 1 Clinical characteristics

From: A new relative tumor sizing method in epi-metaphyseal osteosarcoma

Variable

n (%)

 

5-year survival

Yes

43 (72.9)

 

No

16 (27.1)

Metastasis rate

Free

41 (69.5)

 

Positive

18 (30.5)

Age, mean (range)

17.8 (3–59)

 

Sex

Male

32 (54.2)

 

Female

27 (45.8)

AJCC stage

IIA

22 (37.3)

 

IIB

37 (62.7)

Site

Distal femur

32 (54.2)

 

Proximal tibia

16 (27.1)

 

Proximal humerus

8 (13.6)

 

Proximal femur

3 (5.1)

Histology

Osteoblastic

37 (62.7)

 

Chondroblastic

7 (11.9)

 

Fibroblastic

4 (6.8)

 

Mixed

8 (13.6)

 

NA

3 (5.1)

Huvos grade

I and II

16 (27.1)

 

III and IV

43 (72.9)

Resection margin

R0

58 (98.3)

 

R1

1 (1.7)

ALP

Elevation

33 (55.9)

 

Normal

26 (44.1)

  1. Abbreviations: AJCC American Joint Committee on Cancer, ALP Alkaline phosphatase.