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

A Randomized Clinical Trial

View larger version (19K): [in a new window]   Figure 1. All-cause 14.5-year survival. 461 of 3923 patients died in the special intervention group vs. 270 of 1964 patients in the usual care group (P = 0.031, log-rank test). LHS = Lung Health Study.

View larger version (35K): [in a new window]   Figure 2. Mortality rates at 14.5 years by cause. The only significant difference was in respiratory disease other than lung cancer (log-rank test). CHD = coronary heart disease; CVD = cardiovascular disease.

View larger version (39K): [in a new window]   Figure 3. Mortality rates at 14.5 years by cause and smoking status. Rates were significantly different for coronary heart disease (CHD), cardiovascular disease (CVD), lung cancer, and other causes of death (log-rank test).