Volume 9, Number 2—February 2003
Research
Health and Economic Impact of Surgical Site Infections Diagnosed after Hospital Discharge
Eli N. Perencevich*†
, Kenneth E. Sands*†, Sara E. Cosgrove*, Edward Guadagnoli‡, Ellen Meara‡, and Richard Platt§†‡
, Kenneth E. Sands*†, Sara E. Cosgrove*, Edward Guadagnoli‡, Ellen Meara‡, and Richard Platt§†‡Table 2
Comparison of questionnaire responders to nonresponders, surgical site infection (SSI) studya
| Characteristic | Responder N (% or SDa) | Nonresponder N (% or SDa) | p value |
|---|---|---|---|
| Study cohort N=267 |
173 |
94 |
|
| Demographics |
|||
| Age (yr) |
58.2 (+/- 12.7) |
54.6 (+/-15.2) |
0.05b |
| Male gender |
94 (54.3) |
43 (45.7) |
0.20c |
| Surgery duration (min) |
152 (+/-91) |
139 (+/- 98) |
0.14d |
| Surgery type |
|||
| Cardiac |
55 (31.8) |
24 (25.5) |
0.33c |
| General |
53 (30.6) |
25 (26.6) |
0.57c |
| Gynecology |
4 (2.3) |
2 (2.1) |
1.0c |
| Neurology |
7 (4.1) |
5 (5.3) |
0.76c |
| Orthopedic |
30 (17.3) |
17 (18.1) |
0.89c |
| Other |
1 (0.6) |
4 (4.3) |
0.054c |
| Plastic |
5 (2.9) |
6 (6.4) |
0.20c |
| Urology |
5 (2.9) |
4 (4.3) |
0.72c |
| Vascular | 13 (7.5) | 7 (7.5) | 1.0c |
aResults are shown as no. (%) or mean +/- SD, along with p value for comparison of cases with SSI to controls without SSI.
bStudent t test.
cFisher exact test.
dWilcoxon rank-sum test.
