The Effects of a Smoking Cessation Intervention on 14.5-Year Mortality

Figure 1. 461 of 3923 patients died in the special intervention group vs. 270 of 1964 patients in the usual care group ( =
0.031, log-rank test). LHS = Lung Health Study.
All-cause 14.5-year survival.P
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Ann Intern Med
February 15, 2005
vol. 142
no. 4
233-239