Table 4: Association of surgery characteristics with SSI in patients with VPS.
Surgery characteristics |
Surgical Site Infection |
|||
|
Yes |
No |
Total |
p-value |
Potential contamination |
|
|
|
|
Clean |
43 (62.3) |
244 (66.1) |
287 (65.5) |
ref. |
Potentially contaminated |
15 (21.7) |
68 (18.4) |
83 (18.9) |
0.495 |
Contaminated |
6 (8.7) |
35 (9.5) |
41 (9.4) |
0.953 |
Infected* |
5 (7.2) |
22 (6.0) |
27 (6.2) |
0.581 |
Hospitalization/preoperative > 24 h |
54 (78.3) |
269 (72.9) |
323 (73.7) |
0.353 |
Trichotomy |
37 (92.5) |
232 (87.9) |
269 (88.5) |
0.594 |
Preoperative bathing |
43 (62.3) |
149 (42.3) |
199 (87.3) |
0.005 |
On the night prior to surgery |
3 (7.0) |
18 (11.5) |
21 (10.6) |
ref. |
On the day of surgery* |
40 (93.0) |
138 (88.5) |
178 (89.4) |
0.576 |
Antimicrobial prophylaxis |
54 (78.3) |
290 (78.6) |
344 (78.5) |
0.951 |
Indication of VPS surgery |
|
|
|
|
First implantation |
30 (43.5) |
181 (49.1) |
211 (48.2) |
0.447 |
Revision |
17 (24.6) |
97 (26.3) |
114 (26.0) |
|
Reimplantation |
22 (31.9) |
91 (24.7) |
113 (25.8) |
|
VPS dysfunction |
47 (95.9) |
110 (79.1) |
157 (83.5) |
0.006 |
*Fisher’s exact test was used for the statistical analysis.