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. 2016 Jul 8;5(3):273–278. doi: 10.3892/mco.2016.954

Figure 2.

Figure 2.

OS in various patient groups. (A) Kaplan-Meier estimates of overall survival of lung cancer patients with combined pulmonary fibrosis and emphysema divided into those who developed post-operative AE (n=3) and those who did not (n=20). The 3-year survival rates were 33% in patients with AE and 38% in those without AE, while differences were not significant (P=0.084, log-rank test). (B) Kaplan-Meier estimates of overall survival of lung cancer patients with solely IPF divided into those who developed AE (n=4) and those who did not (n=5). The survival time of patients with IPF and AE was significantly shorter compared with that of patients without AE (P=0.022, log-rank test). OS, overall survival; AE, acute exacerbation; IPF, idiopathic pulmonary fibrosis.