Preoperative malnutrition with mild hypoalbuminemia associated with postoperative mortality and morbidity of colorectal cancer: a propensity score matching study

Table 4 Regression analysis of overall complication and length of total hospital stay in patients grouped by albumin level before and after propensity score matching

Post-operative outcomes	Albumin (g/dl)	Mean	B (coefficient)	95% C.I.	P value
Overall Complication^b	< 3.5 and > =3.0	0.2821	0.121	0.107–0.135	< 0.001
Overall Complication^b	> = 3.5	0.1612	0	0
Length of total hospital stay^b	< 3.5 and > =3.0	11.0069	3.453	3.201–3.705	< 0.001
Length of total hospital stay^b	> = 3.5	7.5539	0	0
Overall Complication^a	< 3.5 and > =3.0	0.2468	0.064	0.047–0.082	< 0.001
Overall Complication^a	> = 3.5	0.1826	0	0
Length of total hospital stay^a	< 3.5 and > =3.0	10.4407	2.236	1.902–2.57	< 0.001
Length of total hospital stay^a	> = 3.5	8.2045	0	0

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