TABLE 4.

Univariate and multivariable regression analysis for readmission Bold values indicate statistical significance with a p value of < 0.05

Variable	Univariate logistic regression		Multivariable logistic regression
	OR (95% CI)	p value	OR (95% CI)	p value
All histologies
Age
< 65 years	Reference		Reference
≥ 65 years	1.38 (0.99–1.92)	0.05	1.30 (0.82–2.06)	0.26
Complication(s)
No complication(s)	Reference		Reference
Minor complication(s)	4.07 (2.36–7.01)	< 0.01	4.09 (2.37–7.05)	< 0.01
Major complication(s)	9.45 (0.05–14.76)	< 0.01	9.38 (5.99–14.66)	< 0.01
Non-invasive histology
Age
< 65 years	Reference		Reference
≥ 65 years	0.96 (0.49–1.86)	0.91	0.81 (0.29–2.29)	0.69
Complication(s)
No complication(s)	Reference		Reference
Minor complication(s)	14.59 (3.65–58.28)	< 0.01	14.71 (3.68–58.86)	< 0.01
Major complication(s)	37.45 (10.2–137.49)	< 0.01	38.36 (10.37–141.89)	< 0.01
Invasive histology
Age
< 65 years	Reference		Reference
≥ 65 years	1.49 (0.96–2.34)	0.08	1.24 (0.67–2.31)	0.49
Complication(s)
No complication(s)	Reference		Reference
Minor complication(s)	3.25 (1.41–7.51)	< 0.01	3.33 (1.39–7.45)	< 0.01
Major complication(s)	8.81 (4.81–16.14)	< 0.01	8.67 (4.72–15.91)	< 0.01