Table 2.

Disease-free survival rate at the end of 5-year study period

Treatment group	N	DFS rate (%)	SE (%)	95 % CI	Differenceb (%)
					DFS rate	95 % CI
A Throughout the 5-year study period (240 weeks)a
2 years	112	90.4	2.89	82.9 to 94.7	0.4	−7.4 to 8.2
3 or more years	110	90.8	2.77	83.6 to 94.9
B During the third through fifth year study period (144 weeks after week 96)c
2 years	99	91.8	2.79	84.2 to 95.8	2.3	−4.8 to 9.5
3 or more years	102	94.1	2.34	87.3 to 97.3

DFS disease-free survival, SE standard error, CI confidence interval, FAS full analysis set

^aDFS for patients in the FAS

^bDifference = 3-or-more-year treatment group − 2-year treatment group

^cDFS for patients in the FAS who had an examination at the end of 2-year treatment and continued through the fifth year study period