Table 4. Logistic regression analysis for factors associated with patent false lumen after one year (N = 95).

Variables (Number)	n/N (%)	Univariate		Multivariate
		Crude OR(95%CI)	p	Adjusted OR(95%CI)	p
Patent false lumen (total 50)
Tear resection	32/68(47.1%)	0.44(0.18–1.13)	0.088	#
Root reconstruction	11/16(68.8%)	2.26(0.72–7.09)	0.164	#
Total arch replacement	8/32(25.0%)	0.17(0.06–0.43)	0.000	0.31(0.10–0.94)	0.038
Descending aorta stent grafting	7/37(18.9%)	0.08(0.03–0.22)	0.000	0.11(0.04–0.32)	0.000
Surgical groups
I	37/48(77.1%)	reference		#
II	6/10(60.0%)	0.45(0.11–1.87)	0.269
III	2/22(9.1%)	0.03(0.01–0.15)	0.000
IV	5/15(33.3%)	0.15(0.04–0.53)	0.003

# Not included in multivariate model; CI: confidence intervals; OR: odds ratio