Table 3.

Length of hospital stay, prolonged hospital admission, and postoperative mortality according to surgical resection with primary anastomosis versus end-ostomy among the total study population and the propensity score matched sample

	Total study population			PSM sample
	Primary anastomosis	End-ostomy	p value	Primary anastomosis	End-ostomy	p value
Length of hospital stay, days			< 0.0001			< 0.0001
[median (IQR)]	5 (4–8)	7 (6–13)		6 (4–9)	7 (5–13)
Prolonged hospital admission [n (%)]			< 0.0001			< 0.0001
Yes
No	288 (11)	124 (20)		119 (11)	72 (21)
Unknown	2355 (88)	494 (79)		921 (88)	273 (78)
	18 (1)	7 (1)		4 (1)	3 (1)
Postoperative 30-day mortality			0.0004			0.366
% Death	2.10%	4.60%		2.80%	3.70%
Postoperative 60-day mortality			< 0.0001			0.044
% Death	2.90%	6.40%		3.50%	6.00%
Postoperative 90-day mortality			< 0.0001			0.029
% Death	3.40%	7.70%		4.00%	6.90%

Significant values (p < 0.05) are given in bold

PSM propensity score matched, IQR interquartile range