Role of Charlson comorbidity index in predicting the ICU admission in patients with thoracic aortic aneurysm undergoing surgery

Table 7 The interaction effect of CCI on the association between related variables and ICU requirements in patients with TAA by generalized linear model

	Subgroup	β	95%CI	P	P for interaction
Age	All	0.003	[− 0.002, 0.008]	0.199	< 0.001
	CCI < 6	0.004	[− 0.006, 0.014]	0.429	0.138
	CCI ≥ 6	0.010	[0.000, 0.019]	0.041	0.081
RDW	All	0.003	[− 0.026, 0.033]	0.816	< 0.001
	CCI < 6	0.023	[− 0.015, 0.060]	0.233	0.054
	CCI ≥ 6	− 0.012	[− 0.055, 0.031]	0.574	0.224
Platelet	All	0.001	[0.002, 2.043]	0.153	< 0.001
	CCI < 6	0.001	[− 0.001, 0.002]	0.331	0.039
	CCI ≥ 6	0.001	[− 0.002, 0.030]	0.863	0.432
Urea nitrogen	All	− 0.003	[− 0.012, 0.007]	0.592	0.384
	CCI < 6	0.008	[− 0.012, 0.028]	0.420	0.036
	CCI ≥ 6	− 0.006	[− 0.019, 0.006]	0.314	0.653
Creatinine	All	− 0.020	[− 0.172, 0.132]	0.794	0.447
	CCI < 6	0.076	[− 0.202, 0.355]	0.591	0.025
	CCI ≥ 6	− 0.141	[− 0.345, 0.062]	0.174	0.344

ISSN: 1749-799X