Table 2.

Univariate analysis comparing nCRT and pCT cohort after 1:1 propensity score matching

Variable	nCRT versus pCT (reference = nRCT)
	N (nCRT/pCT)	HR (95%—CI)	p value
Clavien–Dindo score (Ref. = 0)	44/31
1	2/3	2.13 (0.34–13.50)	0.423
2	8/9	1.60 (0.55–4.60)	0.386
3a	30/42	1.99 (1.03–3.83)	0.040
3b	7/5	1.01 (0.29–3.49)	0.983
4a	6/5	1.18 (0.33–4.22)	0.796
4b	0/2	N.A.	N.A.
5	0/0	N.A.	N.A.
Lymph nodes (Ref. = normal lymph nodes)
Mean number of harvested lymph nodes per patient	28.86/35.81	(3.84–10.08)	< 0.001
Mean number of positive lymph nodes per patient	1.74/3.19	(0.20–2.69)	0.023
Anastomotic leakage (Ref. = no)	91/86
Yes	6/11	2.00 (0.68–5.85)	0.206
Conduit necrosis (Ref. = no)	97/95
Yes	0/2	N.A.
Reintubation (Ref. = no)	93/92
Yes	4/5	1.25 (0.34–4.7)	0.739
Rethoracotomy (Ref. = no)	58/66
Yes	39/31	0.65 (0.34–1.25)	0.198
Tracheobronchial fistula (Ref. = no)	97/91
Yes	0/1	N.A.
Enterothorax (Ref. = no)	97/97
Yes	0/0	N.A.
Chylothorax (Ref. = no)	95/96
Yes	2/1	N.A.
Pylorospasm (Ref. = no)	74/61
Yes	23/36	1.77 (0.97–3.20)	0.061
Pulmonal complications (Ref. = no)	77/69
Yes	20/28	1.53 (0.80–2.94)	0.198
Cardiovascular complications (Ref. = no)	89/91
Yes	8/6	0.71 (0.23–2.25)	0.566
Urinary tract infection (Ref. = no)	97/97
Yes	0/0	N.A.
Wound infections (Ref. = no)	95/96
Yes	2/1	N.A.
Catheter-associated infections (Ref. = no)	89/89
Yes	8/8	1.00 (0.35–2.85)	> 0.999
Sepsis (Ref. = no)	96/96
Yes	1/1	N.A.
General infections (Ref. = no)	94/94
Yes	3/3	N.A.
Neurological complications (Ref. = no)	93/93
Yes	4/4	1.00 (0.25–4.00)	> 0.999
Gastrointestinal infections (Ref. = no)	96/97
Yes	1/0	N.A.
Repeated stay on ICU (Ref. = no)	93/93
Yes	4/4	1.00 (0.25–4.00)	> 0.999

ICU intensive care unit

p < 0.05 was considered statistically significant