Table 3.

Postoperative outcomes of patients undergoing open or laparoscopic approach for gastrointestinal tract perforation.

	Baseline population				After propensity score matching
Postoperative outcomes	All patients (n=470)	Open (n=355)	Laparoscopy (n=115)	P value*	Open (n=115)	P value*
Hospital stays
Total days, median (IQR)	9 (6–13.2)	12 (7–20)	6 (5–8.5)	<0.001	11 (7–17)	<0.001
30-day morbidity
Patients who developed morbidity events, n (%)	238 (50.6)	211 (59.4)	27 (23.5)	<0.001	52 (45.2)	<0.001
Postoperative complications, n (%)
Anastomotic leak / dehiscence	42 (8.9)	33 (9.3)	9 (7.8)	0.77	9 (7.8)	1.0
Wound dehiscence	38 (8.1)	36 (10.1)	2 (1.7)	0.007	9 (7.8)	0.06
Cardiac failure	37 (7.9)	34 (9.6)	3 (2.6)	0.03	7 (6.1)	0.33
Fever / pyrexia of unknown origin	24 (5.1)	22 (6.2)	2 (1.7)	0.10	7 (6.1)	0.17
Wound haemorrhage	7 (1.5)	6 (1.7)	1 (0.9)	0.85	1 (0.9)	1.0
Deep wound haemorrhage	8 (1.7)	7 (2.0)	1 (0.9)	0.70	2 (1.7)	1.0
Hypotension	53 (11.3)	44 (12.4)	9 (7.8)	0.24	10 (8.7)	1.0
Wound infection	67 (14.3)	62 (17.5)	5 (4.3)	<0.001	13 (11.3)	0.09
Deep wound infection	57 (12.1)	45 (12.7)	12 (10.4)	0.63	11 (9.6)	1.0
Chest infection	35 (7.4)	32 (9.0)	3 (2.6)	0.04	9 (7.8)	0.14
Urinary tract infection	9 (1.9)	8 (2.3)	1 (0.9)	0.58	2 (1.7)	1.0
Renal failure	57 (12.1)	54 (15.2)	3 (2.6)	<0.001	9 (7.8)	0.14
Respiratory failure	73 (15.5)	68 (19.2)	5 (4.3)	<0.001	16 (13.9)	0.022
Septicaemia	40 (8.5)	36 (10.1)	4 (3.5)	0.04	12 (10.4)	0.07
Deep vein thrombosis, pulmonary embolism	5 (1.1)	4 (1.1)	1 (0.9)	1.0	0	1.0
30-day mortality
Patients who died, n (%)	59 (12.6)	57 (16.1)	2 (1.7)	<0.001	12 (10.4)	0.013

^*Open vs. Laparoscopic.

IQR, interquartile range.