Table 2. Two-way table of patient counts in CNA Quartiles and gene expression quantiles of Tishchenko et al [13] for ordinary luminal A cases.

	CNA Q1	CNA Q2	CNA Q3	CNA Q4	Total
Tishchenko q1	111	62	56	19	248
Tishchenko q2	76	88	50	34	248
Tishchenko q3	30	40	41	32	143
Tishchenko q4	4	7	10	6	27
Total	221	197	157	91	666