Skip to main content
. Author manuscript; available in PMC: 2022 Jan 1.
Published in final edited form as: Radiother Oncol. 2020 Sep 9;154:187–193. doi: 10.1016/j.radonc.2020.09.002

Table 2.

Multivariate Cox regression analysis for severe radiation-induced lymphopenia (absolute lymphocyte count <0.3×109cells/L) during treatment

Characteristics HR (95% CI) P Value
Age 1.031 (1.009–1.054) 0.005
Lung V5, % 1.039 (1.023–1.055) <0.0001
XRCC1 rs25487
 AA vs. AG 2.088 (1.250–3.226) 0.004
 AA vs. GG 1.499 (0.921–2.439) 0.104
 AA vs. AG+GG 1.768 (1.165–2.684) 0.007

Note: The thresholds for factors to be included in the final multivariate Cox regression model were P<0.2 for inclusion and P>0.05 for removal.