Table 5. Statistics of overall survival (months) of tumor samples for ERS1 gene expression, ERS2 gene expression, CYP19A1 gene expression and aromatase protein concentration (ARO) for each combination of low and high expression groups (lower and higher than median).

	ERS1 +CYP19A1		ERS1 +ARO		ERS2+ CYP19A1		ERS2+ARO
Class	median	N	median	N	median	N	median	N
Low+Low	31.0	29	26.9	20	30.5	26	28.7	21
High+Low	33.6	19	39.4	23	31.2	22	40.5	25
Low+High	22.2	19	29.7	23	21.4	22	22.3	18
High+High	34.5	29	25.9	19	31.8	26	30.2	21
Log Rank	0.0001		0.383		0.077		0.093
Kruskal-Wallis	0.011		0.167		0.126		0.049

Kaplan-Meier Log Rank (Mantel-Cox) and Kruskal-Wallis p-values are listed when comparing these different categories. N: Patient number.