Journal of Oncology / 2020 / Article / Tab 3 / Research Article
Comparison of Involved Field Radiotherapy versus Elective Nodal Irradiation in Stage IIIB/C Non-Small-Cell Lung Carcinoma Patients Treated with Concurrent Chemoradiotherapy: A Propensity Score Matching Study Table 3 Toxicity and survival outcomes according to elective nodal irradiation status.
Outcome ENI (N = 323) IFRT (N = 323) valueAcute grade 3-4 hematologic toxicity, n (%) Leukopenia 51 (15.7) 32 (9.9) 0.012 Anemia 23 (7.1) 14 (4.3) 0.14 Thrombocytopenia 41 (12.7) 30 (9.3) 0.32 Acute grade 3 nonhematologic toxicity, n (%) Nausea-vomiting 109 (33.7) 67 (20.7) 0.006 Esophagitis 49 (15.2) 29 (9.0) 0.003 Pneumonitis 47 (14.5) 27 (8.4) 0.002 Peripheric neuropathy 10 (3.1) 11 (3.4) 0.76 Pericarditis 5 (1.5) 2 (0.6) 0.25 Late grade 3-4 toxicity Lung 12 (3.7) 9 (2.8) 0.34 Esophagus 15 (4.6) 8 (2.5) 0.038 Heart 5 (1.5) 3 (0.9) 0.78 Major vessels 3 (0.9) 2 (0.6) 0.64 Late grade 5 toxicity, n (%) 6 (1.8) 4 (1.2) 0.73 Radiation pneumonitis 2 (0.6) 1 (0.3) Tracheoesophageal fistula 2 (0.6) 1 (0.3) Bronchopleural fistula 1 (0.3) 1 (0.3) Aortic blow-out 1 (0.3) 1 (0.3) Hospitalization, n (%) 58 (18.0) 28 (8.6) <0.001 PFS Median, mo 11.7 (10.8–12.6) 11.2 (10.2–12.4) 0.57 5-years (%) 12.1 11.6 10 years (%) 6.2 5.2 LRPFS Median, mo 15.3 (14.3–16.3) 15.1 (14.1–16.1) 0.52 5-years (%) 13.5 13.3 10 years (%) 7.2 5.8 OS Median, mo 25.2 (23.5–26.3) 24.6 (22.6)-26.6 0.69 5-year (%) 22.2 21.2 10 year (%) 11.9 11.1 5-year in-field failure, n (%) Local 127 (39.3) 125 (38.7) 0.79 Regional 64 (19.8) 59 (18.3) 0.44 Local + regional 57 (17.6) 61 (18.9) 0.56 Isolated ENF 5-years (%) 11 (3.4) 14 (4.3) 0.52 10 years (%) 16 (4.9) 19 (5.9) 0.71
ENI: elective nodal irradiation; IFRT: involved-field radiotherapy; PFS: progression-free survival; LRPFS: locoregional progression-free survival; OS: overall survival; ENF: elective nodal failure.