Comparative analysis of long-term oncologic outcomes for minimally invasive and open Ivor Lewis esophagectomy after neoadjuvant chemoradiation: a propensity score matched observational study

Table 3 IPTW multivariable overall survival model

Parameter	HR (95% CI)	p-value
Study Group: MIE Ivor Lewis	0.95 (0.59, 1.53)	0.822
Study Group: Open Ivor Lewis	Reference
Age (Years)	1.06 (1.03, 1.08)	< 0.0001
Body Mass Index (kg/m²)	0.95 (0.91, 0.98)	0.006
Clinical N stage: N0	0.41 (0.23, 0.73)	0.003
Clinical N stage: N1	0.83 (0.51, 1.37)	0.467
Clinical N stage: N2/N3	Reference
Tumor regression grade: complete response	0.14 (0.07, 0.28)	< 0.0001
Tumor regression grade: near complete response	0.17 (0.09, 0.33)	< 0.0001
Tumor regression grade: partial response	0.39 (0.21, 0.74)	0.004
Tumor regression grade: no response	Reference

ISSN: 1749-8090