Fig. 1From: Smoking and timing of cessation on postoperative pulmonary complications after curative-intent lung cancer surgeryPredictive Survival curves with 95%CI for patients with different preoperative smoking status, excluding early postoperative deaths, adjusted for the significant covariates from the Cox proportional hazards model (Table 3). Covariates set at: a) PPC 0, Stage I; b) PPC 1, Stage I; c) PPC 1, Stage II; d) PPC 0, Stage IIA; e) PPC 0, Stage IIIB; f) PPC 1, Stage IIIB. Age and LOS were set at mean and median values respectivelyBack to article page