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. 2007 Mar 7;8(1):20. doi: 10.1186/1465-9921-8-20

Figure 1.

Figure 1

Kaplan-Meier survival curves with 95 percent confidence limits of cardiovascular mortality for women aged 55 years at baseline investigation with FEV1 < 80% predicted and FEV1 ≥ 80% predicted; dots indicating censored events. Abbreviations: FEV1: Forced expiratory volume in 1 second.