Table 2.

Person Time, All-Cause Mortality Rate and 1-, 2-, and 3-year Mortality Risk Comparison Among Treatment Groups in the Full and Instrumental Variable populations

Treatment Group	Person Time (Years)*	Events within 3-years	Mortality Rate (per 100 person-years)	1-year risk	2-year risk	3-year risk
Full population (n=3,660)
5- fluorouracil (5-FU)	5,234	602	11.5	11.3%	21.3%	29.0%
Oxaliplatin (with 5- FU/capecitabine)	4,008	354	8.8	7.9%	18.1%	24.7%
Instrumental Variable population (n=2,881)
5- fluorouracil (5-FU)	4,495	526	11.7	11.3%	21.6%	29.4%
Oxaliplatin (with 5- FU/capecitabine)	2,839	248	8.7	7.9%	16.9%	23.0%

^*Patients administratively censored three years after treatment initiation