Competing risks analysis in NAS and SLH. (A) Annual hazard rates (incidence rate per year among subjects who are still susceptible) of bone marrow failure leading to bone marrow transplant (BMT), non-SCC death, and development of SCC, by age, in NAS, and 95% point-wise confidence envelopes (shaded regions). (B) Cumulative incidence (cumulative percent experiencing each event as initial cause of failure in subjects at risk of each adverse event) by age, in NAS, and 95% CIs at selected years (error bars). (C) Annual hazard rates of non-SCC death and development of SCC, in SLH, by years since transplant, and 95% point-wise confidence envelopes (shaded regions). (D) Cumulative incidence, by years since transplantation, in SLH, and 95% CIs at selected years. Hazard rates shown in (A) and (C) are plotted using different y-axis scales. In (C), corresponding crude monthly non-SCC death rates for months 1 to 6 were 7.1%, 10.7%, 9.1%, 7.6%, 5.7%, and 0% per month, respectively.