Table 4.

Effect of baseline characteristics on outcomes in patients with hollow viscus perforation (gastro-duodenal, small bowel or large bowel perforation, anastomotic leakage), N = 188

	Univariable		Multivariable
	OR/RC (95% CI)	p-value	OR/RC (95% CI)	p-value
ICU admission
Transfer	1.11 (0.61–2.02)	0.735	1.39 (0.56–3.45)	0.482
Age	1.05 (1.03–1.07)	< 0.001	1.05 (1.02–1.08)	0.001
qSOFA ≥ 2	2.06 (0.91–4.65)	0.083	1.87 (0.78–4.45)	0.158
ICU-LOS
Transfer	−1.20 (−5.30–2.89)	0.561	−1.04 (−6.88–4.79)	0.720
qSOFA ≥ 2	4.89 (−0.92–10.70)	0.097	4.86 (−1.03–10.74)	0.103
Ventilation days
Transfer	0.83 (−2.78–4.44)	0.648	1.15 (−2.40–4.71)	0.520
Female gender	−3.22 (−6.60–0.16)	0.061	−3.32 (−6.73–0.09)	0.056
H-LOS
Transfer	−10.14 (−18.28 to −2.00)	0.015	−10.02 (−18.14 to −1.90)	0.016
Age	0.18 (−0.06–0.43)	0.146	0.18 (−0.07–0.42)	0.155
Complications ≥ 3a
Transfer	0.41 (0.21–0.81)	0.010	0.38 (0.18–0.77)	0.008
Age	1.02 (1.00–1.04)	0.035	1.02 (1.00–1.04)	0.064
BMI	1.04 (0.98–1.09)	0.183	1.04 (0.99–1.10)	0.119
Female gender	1.63 (0.89–2.97)	0.114	1.38 (0.72–2.66)	0.337
Mortality
Transfer	0.77 (0.28–2.11)	0.614	1.11 (0.26–4.87)	0.886
Age	1.05 (1.01–1.09)	0.012	1.05 (1.00–1.11)	0.057
Female gender	2.48 (0.94–6.52)	0.066	0.74 (0.19–2.88)	0.661
qSOFA ≥ 2	4.04 (1.10–14.89)	0.036	3.85 (0.99–14.95)	0.052

OR: odds ratio; RC: regression coefficient; CI: confidence interval; BMI: body mass index; qSOFA: quick sequential organ failure assessment; IQR: interquartile range; LOS: length of stay; ICU: intensive care; H-LOS: hospital length of stay

Bold p-values are considered statistically significant