RETRACTED ARTICLE: Comparison of minimally invasive Ivor Lewis esophagectomy and left transthoracic esophagectomy in esophageal squamous cell carcinoma patients: a propensity score-matched analysis

Table 3 Clinicopathologic characteristics and prognostic factor for survival of 432 ESCC patients

Characteristic	Total (n = 432)			MIILE (n = 216)			Sweet (n = 216)
Characteristic	No	p value		No	p value		No	p value
	No	OS	DFS	No	OS	DFS	No	OS	DFS
Gender
Male	366	0.505	0.393	181	0.551	0.422	185	0.748	0.679
Female	66			35			31
Age(year)
< 65	267	0.902	0.943	132	0.126	0.189	135	0.158	0.179
≥ 65	165			84			81
BMI (kg/m²)
≤ 18.5	86			33			53
18.5~25	287	0.277^*	0.169^*	156	0.717^*	0.528^*	131	0.244^*	0.165^*
≥ 25	59	0.182^*	0.082^*	27	0.053^*	0.024^*	32	0.789^*	0.696^*
Tumor location
Upper and middle junction	21			11			10
Middle third	199	0.898^**	0.964^**	99	0.524^**	0.471^**	100	0.761^**	0.616^**
Lower third	212	0.766^**	0.853^**	106	0.350^**	0.331^**	106	0.617^**	0.445^**
Tumor length(cm)
≤ 3	139	< 0.001	< 0.001	78	0.013	0.003	61	0.005	0.016
>3	293			138			155
Depth of invasion (T)
T1–2	150	< 0.001	< 0.001	74	< 0.001	< 0.001	76	0.201	0.481
T3–4	282			142			140
Lymph node metastasis (N)
N0	222	< 0.001	< 0.001	107	< 0.001	< 0.001	115	< 0.001	< 0.001
N1–3	210			109			101
Pathology stage (TNM)
I	103	0.050^***	0.053^***	50	0.004^***	0.002^***	53	0.091^***	0.876^***
II	140	< 0.001^****	< 0.001^****	68	< 0.001^****	< 0.001^****	72	< 0.001^****	< 0.001^****
III	189	< 0.001^*****	< 0.001^*****	98	< 0.001^*****	< 0.001^*****	91	< 0.001^*****	< 0.001^*****
Atrial fibrillation
Yes	123	0.144	0.086	56	0.493	0.594	67	0.124	0.038
No	309			160			149
Pneumonia complication (including ARDS)
Yes	203	< 0.001	< 0.001	88	0.008	0.010	115	< 0.001	< 0.001
No	229			128			101
Postoperative complication
Yes	258	< 0.001	< 0.001	110	0.294	0.424	148	< 0.001	< 0.001
No	174			106			68

^*Compared with low BMI group (≤18.5), log-rank. ^**Compared with upper third group, log-rank. ^***I compared with II, log-rank;^****II compared with III, log-rank; ^*****I compared with III, log-rank
MIILE minimally invasive Ivor Lewis esophagectomy
OS overall survival
DFS disease-free survival
BMI body mass index
TNM tumor-node-metastasis
ARDS Acute respiratory distress syndrome

ISSN: 1471-2407