Table 4.

Multivariable analysis of factors possibly influencing overall survival

	Characteristics		Global p	Hazard ratio	95% confidence interval
Univariable model
ICI		Low, medium, high	0.036	0.246	[0.067–0.910]
pT		pT1a, pT1b, pT2, pT3, pT4	0.000	16.890	[3.694–77.218]
Multivariable raw model
ICI	1	low and medium	0.094	0.248	[0.048–1.271]
	2	high
pT	1	pT1a, pT1b, pT2	0.002	10.925	[2.325–51.345]
	2	pT3, pT4
Model with dichotomised variables and interactions
ICI	1	low and medium	0.041	0.108	[0.013–0.912]
	2	high
pT	1	pT1a, pT1b, pT2	0.016	7.489	[1.458–38.468]
	2	pT3, pT4
INTER		pT × ICI	0.025	59.69	[1.668–2136.074]

ICI immune cell infiltrate