Recurrent abscess after primary successful endo-sponge treatment of anastomotic leakage following rectal surgery

Table 1 Characteristics of patients with and without successful long-term outcome after endo-sponge treatment¹

	Successful outcome	No successful outcome
No. of patients	15	5
Age (yr)	67 (55-91.2)	63.4 (54.8-69.8)
BMI	24.9 (17.3-31.2)	24.5 (19.7-28.9)
Male:female ratio	10:5	3:2
Neoadjuvant treatment
None	10	4
Radiotherapy	1	0
Chemo/radiotherapy	4	1
Indication
Anastomotic leakage	12	5
Rectal stump insufficiency	3	0
Interval between primary operation and anastomotic leakage (d)	12.5 (3-668)	42 (21-668)
Duration of endo-sponge therapy (d)	21 (7-56)	21 (19-106)
Chemotherapy after endo-sponge therapy	3	1
Follow up time (mo)	16.1 (1.5-29.8)	17.1(8.38-26.2)
Interval between final endo-sponge therapy and recurrent abscess (d)		240 (21-730)
Local tumor recurrence	1	1

¹Values are given as absolute numbers and frequencies (%) or as medians (min-max). BMI: Body mass index.