Parameter
|
Group 1, n = 56 (open drain)
|
Group 2, n = 200 (closed drain)
|
p value (univariate)
|
p value (multivariate)
|
---|
Overall infection rate
|
44 (79 %)
|
98 (49 %)
|
0.001 (s)
|
0.032 (S)
|
Wound infection rate
|
9 (16 %)
|
21 (11 %)
|
0.2 (ns)
|
–
|
Cholangitis
|
2 (4 %)
|
3 (1.5 %)
|
0.3 (ns)
|
–
|
Gastrointestinal infection
|
1 (2 %)
|
6 (3 %)
|
0.5 (ns)
|
–
|
MRSA
|
1 (2 %)
|
0
|
0.2 (ns)
|
–
|
Clostridium
|
1 (2 %)
|
7 (3.5 %)
|
0.5 (ns)
|
–
|
Sepsis
|
1 (2 %)
|
10 (5 %)
|
0.3 (ns)
|
–
|
Oral candidiasis
|
1 (2 %)
|
2 (1 %)
|
0.5 (ns)
|
–
|
Central venous catheter infection
|
8 (14 %)
|
32 (16 %)
|
0.5 (ns)
|
–
|
Herpes simplex infection
|
14 (25 %)
|
47 (24 %)
|
0.5 (ns)
|
–
|
CMV infection
|
10 (18 %)
|
36 (18 %)
|
0.6 (ns)
|
–
|
Epstein-Barr virus
|
0
|
1 (0.5 %)
|
0.8 (ns)
|
–
|
CoNS
|
29 (52 %)
|
90 (45 %)
|
0.2 (ns)
|
–
|
ESBL-producing Enterobacteriacae
|
11 (20 %)
|
22 (11 %)
|
0.7 (ns)
|
–
|
Overall abdominal infection rate
|
28 (50 %)
|
45 (22.5 %)
|
0.001 (s)
|
0.021 (S)
|
Candida albicans infection rate (abdomen)
|
23 (41 %)
|
39 (19.5 %)
|
0.02 (s)
|
0.036 (S)
|
Aspergillus spp.
|
2 (4 %)
|
1 (0.5 %)
|
0.1 (ns)
|
–
|
Other
|
3 (5 %)
|
5 (3 %)
|
0.2 (ns)
|
–
|
- Italic values indicate statistical significance of p value (p > 0.05)
-
Group 1 open-circuit drainage (Easy Flow Drain), Group 2 closed-circuit drainage (Robinson Drainage System)