Table A1.

Chemotherapy Decision by Recurrence Score

Recurrence Score Value	n	Chemotherapy Use		Proportion of Chemotherapy	95% CI
		Yes	No
Low risk	983	56	927	6	4 to 7
Intermediate risk	668	281	387	42	38 to 46
High risk	171	143	28	84	77 to 89

P < .001.