Additive value of pre-operative and one-month post-operative lymphocyte count for death-risk stratification in patients with resectable pancreatic cancer: a multicentric study

Table 3 Multivariate final model with Pre-operative, tumoral post-operative, therapeutic post operative and lymphopenia parameters for the association with Overall Survival (N = 241)

	Number of patients	Number of Deaths
	Number of patients	Number of Deaths	HR	95 % CI^a	P	95 % bootstrap BCA
Lymph Nodes Ratio
< 0.2	189	132	1
≥ 0.2	52	47	1.963	[1.385; 2.782]	0.0001	[1.37650; 2.70673]
Vascular invasion
No	165	117	1
Yes	76	62	1.515	[1.098; 2.089]	0.0114	[1.08206; 2.04072]
Adjuvant Chemotherapy— no. (%)
No	48	38	1
Yes	193	141	0.546	[0.377; 0.790]	0.0014	[0.34875; 0.86607]
Pre-operative lymphocyte count	241	179	0.639	[0.450; 0.909]	0.0128	[0.46779; 0.95517]
Post-operative lymphocyte count	241	179	0.731	[0.517; 1.034]	0.0764	[0.50567; 1.00832]

Abbreviations: HR hazard ratio, Lymph Nodes ratio (Number of positive lymph nodes/Total number of lymph nodes)
^aCI denotes confidence interval

ISSN: 1471-2407