A novel nomogram containing acute radiation esophagitis predicting radiation pneumonitis in thoracic cancer receiving radiotherapy

Table 3 Analysis of factors associated with Grade ≥2 RP

Variables	OR	Univariate P-value	analysis 95% CI	AUC	OR	Multivariate P-value	analysis 95% CI
SARE	11.333	0.000	3.235-39.710	0.778	16.763	0.000	3.638-77.230
TLMLD	1.001	0.024	1.000-1.002	0.615
TLV5	1.034	0.035	1.002-1.067	0.586
TLV20	1.063	0.035	1.004-1.124	0.590
ILMLD (>1186.78 cGy)	3.955	0.018	1.270-12.317	0.610	3.557	0.048	1.013-12.495
ILV5 (>55.65%)	2.517	0.034	1.073-5.905	0.595
MED	1.000	0.012	1.000-1.001	0.641	1.000	0.044	1.000-1.001
TIME	0.986	0.001	0.978-0.994	0.844

Abbreviations: OR odds ratio, CI confidence interval, SARE severe acute radiation-induced esophagitis, TL total lung, IL ipsilateral lung, MLD mean lung dose, MED mean esophagus dose, Time the time that pneumonia symptoms appear, AUC areas under the curve

ISSN: 1471-2407