Table 5.

Factors influencing chemotherapy prescribing overall.

Factor	Significance	OR
Interval⁎	<0.001
Oncotype available on trial only	0.049	0.49
Oncotype not publicly reimbursed	0.022	0.37
Oncotype routinely used	<0.001	0.20
Grade‡	<0.001
Grade 2	<0.001	5.37
Grade 3	<0.001	7.40
Size	0.029	1.03
Age	<0.001	0.91

^⁎Compared to interval prior to availability of Oncotype DX.

^‡Compared to grade I.