(a)
(b)
(c)
(d)
Figure 4:
Kaplan-Meier plots of survival in patients with osteosarcoma regarding (a) multiple drug resistance score (
𝑃
=
.
1
2
; log rank test), (b) histological type of osteosarcoma (
𝑃
=
.
0
2
), (c) tumor diameter (
𝑃
=
.
1
1
), (d) and patient age at diagnosis (
𝑃
=
.
0
3
).