BA-GCA Net: Boundary-Aware Grid Contextual Attention Net in Osteosarcoma MRI Image Segmentation

Table 1

Patient statistics.

Characteristics	Total	Training set	Test set
Age
<15	48 (23.5%)	38 (23.2%)	10 (25.0%)
15–25	131 (64.2%)	107 (65.2%)	24 (60.0%)
>25	25 (12.3%)	19 (11.6%)	6 (15.0%)
Sex
Female	92 (45.1%)	69 (42.1%)	23 (57.5%)
Male	112 (54.9%)	95 (57.9%)	17 (42.5%)
Marital status
Married	32 (15.7%)	19 (11.6%)	13 (32.5%)
Unmarried	172 (84.3%)	145 (88.4%)	27 (67.5%)
SES
Low SES	78 (38.2%)	66 (40.2%)	12 (30.0%)
High SES	126 (61.8%)	98 (59.8%)	28 (70.0%)
Surgery
Yes	181 (88.8%)	146 (89.0%)	35 (87.5%)
No	23 (11.2%)	18 (11.0%)	5 (12.5%)
Grade
Low grade	41 (20.1%)	15 (9.1%)	26 (65.0%)
High grade	163 (79.9%)	149 (90.9%)	14 (35.0%)
Location
Axial	29 (14.2%)	21 (12.8%)	8 (20.0%)
Extremity	138 (67.7%)	109 (66.5%)	29 (72.5%)
Other	37 (18.1%)	34 (20.7%)	3 (7.5%)