Table A3.

Chemotherapy Treatment Decision by Recurrence Score and Tumor Size

Recurrence Score and Tumor Size	With Chemotherapy			95% CI (%)
	Total No.	No.	%
Low risk
All	982	56	6	4 to 7
≥ 2 cm	811	35	4	3 to 6
2-5 cm	163	18	11	7 to 17
> 5 cm	8	3	38	9 to 76
Intermediate risk
All	665	281	42	38 to 46
≤ 2 cm	530	209	39	35 to 44
2-5 cm	132	70	53	44 to 62
> 5 cm	3	2	67	9 to 99
High risk
All	171	143	84	77 to 89
≤ 2 cm	121	102	84	77 to 90
2-5 cm	49	40	82	68 to 91
> 5 cm	1	1	100	3 to 100
No test
All	4,400	794	18	17 to 19
≤ 2 cm	3,366	366	11	10 to 12
2-5 cm	920	360	39	36 to 42
> 5 cm	114	68	60	50 to 69

NOTE. Eleven patients with missing tumor size (four with recurrence score, seven without recurrence score) were excluded.