Table 2.

Univariate and multivariate logistic regression models of clinical factors and median lymphocyte density

		Univariate				Multivariate
Variable	Categories	Odds ratio	95 % CI	P value	Observations	Odds ratio	95 % CI	P value	Observations
Age	Continuous	0.99	0.97, 1.02	0.6	755	0.99	0.96-1.02	0.44	406
Tumour size	≤50 mm, >50 mm	0.89	0.54, 1.48	0.66	755	0.68	0.27-1.75	0.43	406
Node status	Negative, positive	0.8	0.54, 1.18	0.25	755	0.56	0.31-1.00	0.05	406
Grade	1, 2, 3	3.98	2.38, 6.67	<0.00001	588	3.62	1.74-7.52	0.0006	406
ER status	Negative, positive	0.26	0.17, 0.38	<0.00001	755	0.3	0.17-0.53	0.00004	406
HER2 status	Negative, positive	1.6	1.03, 2.50	0.04	665	1.81	0.97-3.37	0.06	406
Median lymphocyte density	Continuous	4.46	2.34, 8.50	<0.00001	614	2.42	1.08-5.40	0.03	406

ER oestrogen receptor; HER2 human epidermal growth factor receptor 2