Table 6.

Combined effect of preoperative dysbacteriosis and early postoperative diarrhoea on total postoperative complications

Variable	Total patients		Colon cancer		Rectal cancer
	Adjusted OR† (95% CI)	P for interaction	Adjusted OR‡ (95% CI)	P for interaction	Adjusted OR§ (95% CI)	P for interaction
Preoperative dysbacteriosis		0.001		0.524		0.007
Grade 1× diarrhoea	1 (reference)		1 (reference)		1 (reference)
Grade 2× diarrhea	0.98 (0.27–3.57)	0.975	0.83 (0.10–7.13)	0.866	1.05 (0.21–5.31)	0.949
Grade 3× diarrhoea	10.14 (2.93–35.05)	< 0.001	5.37 (0.28–102.46)	0.264	7.97 (2.20–28.92)	0.002

Multivariate logistic regression: ^†Adjusted for postoperative hypoalbuminema, intraoperative blood loss, and sex. ^‡Adjusted for BMI. ^§Adjusted for postoperative hypoalbuminema