Forced Expiratory Volume in One Second as a Prognostic Factor in Advanced Non- small Cell Lung Cancer Jin Hwa Lee, MD, PhD, Eun Mi Song, MD, Yun Su Sim, MD, Yon Ju Ryu, MD, PhD, Jung Hyun Chang, MD, PhD Journal of Thoracic Oncology Volume 6, Issue 2, Pages 305-309 (February 2011) DOI: 10.1097/JTO.0b013e318201884b Copyright © 2011 International Association for the Study of Lung Cancer Terms and Conditions
FIGURE 1 Kaplan-Meier survival curves. A, Forced expiratory volume in 1 second (FEV1) ≥ 50% predicted versus FEV1 less than 50% predicted. B, No chemotherapy versus chemotherapy. C, Nonadenocarcinoma versus adenocarcinoma. D, No malignant effusion versus malignant effusion. E, No radiotherapy versus radiotherapy. F, Male versus female. Tick marks indicate censored data. Journal of Thoracic Oncology 2011 6, 305-309DOI: (10.1097/JTO.0b013e318201884b) Copyright © 2011 International Association for the Study of Lung Cancer Terms and Conditions