Operative complications and economic outcomes of cholecystectomy for acute cholecystitis

Table 4 Hospital length of stay, postoperative readmissions, and charges

Variable	Same admission cholecystectomy, (n = 486), n (%) or mean ± SD	Delayed cholecystectomy, (n = 68), n (%) or mean ± SD	P value
Time to surgical admission (d)		48.3 ± 76.3
Surgical admission length of stay (d)	3.4 ± 5.3	0.4 ± 1.0	< 0.001a
Preoperative (d)	2.2 ± 14.2	0.0 ± 0.2	< 0.001a
Postoperative (d)	1.2 ± 14.8	0.4 ± 0.9	0.204
Readmissions after cholecystectomy
Patients with at least 1 readmission	96 (22.2)	14 (21.2)	0.854
Mean number of readmissions Among those readmitted	1.8 ± 1.5	1.4 ± 0.6	0.074
Total length of stay1 (d)	3.8 ± 5.5	1.6 ± 2.0	< 0.001a
Total hospital charges (× $1000)2	44.5 ± 59.0	35.3 ± 16.7	0.019a

¹Total length of stay includes index admission, elective operative admission for delayed cases, and all postoperative complication-related readmissions.

²Hospital charges for April 2013-August 2018 only. Level of significance was

^aP < 0.05.