Construction and Validation of an Autophagy-Related Prognostic Model for Osteosarcoma Patients

Table 1

Characteristics of patients in training and verification cohorts.

Features	Training cohort (n = 93)	Verification cohort (n = 53)
Age
<18	71	38
≥18	22	15
Gender
Male	54	34
Female	39	19
Metastasis
Yes	22	34
No	71	19
First Event
Death	4	NA
Relapse	44	NA
None	30	NA
Others	15	NA
Primary lesion site
Leg/Foot	82	45
Arm/Hand	7	8
Pelvis	4	0
Huvos grade
1	NA	13
2	NA	16
3	NA	13
4	NA	5
Unknown	NA	6
Histological subtype
Osteoblastic	NA	32
Others	NA	21

NA: not available.