Table 4.

Crude all leukemia rates by initial treatment category (MDS, AML, CML, CLL, ALL)

Treatment category	% (cases/no. in category) (95% CI)
2 years of follow up (n = 5790)
All patients	.45 (26/5790) (.29, .66)
Surgery only	.24 (1/418) (.01, 1.33)
Surgery/radiation	.54 (15/2764) (.30, .89)
Surgery/chemotherapy	.16 (1/640) (.00, .87)
Surgery/radiation/chemotherapy	.46 (9/1968) (.21, 1.64)
5 years of follow up (n = 4179)
All patients	.50 (21/4179) (.31, .77)
Surgery only	.45 (1/220) (.01, 2.51)
Surgery/radiation	.63 (13/2058) (.34, 1.08)
Surgery/chemotherapy	.22 (1/461) (.01, 1.20)
Surgery/radiation/chemotherapy	.42 (6/1440) (.15, .90)