Factors associated with prolonged postoperative length of hospital stay after laparoscopic colorectal cancer resection: a secondary analysis of a randomized controlled trial

Table 5 Stratified analysis of the associations between postoperative albumin infusion and PPLOS

	Postoperative albumin infusion		OR (95% CI)	P-value
	Yes	No
	(PPLOS⁺/total [n/N])
Preoperative albumin level
< 40 g/L	54/117	9/33	2.29 (0.98–5.34)	0.056
≥ 40 g/L	44/91	10/39	2.72 (1.19–6.21)	0.018
Duration of surgery
≥ 3 h	68/134	9/31	2.52 (1.08–5.87)	0.032
< 3 h	30/74	10/41	2.11 (0.90–4.95)	0.085

Categorical data are presented as numbers and were compared using univariate logistic regression analysis
PPLOS, prolonged postoperative length of stay; OR, odds ratio; CI, confidence interval

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