From: Developing and validating an integrated gross tumor volume (GTV)-TNM stratification system for supplementing unresectable locally advanced non-small cell lung cancer treated with concurrent chemoradiotherapy
Group
Sample size (training cohort)
Hazard ratio
G1-IIIB
32
1.00
G1-IIIA
21
1.71
G2-IIIA
37
2.17
G1-IIIC
12
2.41
G2-IIIB
58
2.46
G3-IIIA
7
3.60
G2-IIIC
24
3.67
G3-IIIC
5.17
G3-IIIB
6.35