TABLE 5.
Comparison of several quantitative variables with case-control patients prior to isolation
| Variable | Cases (n = 21)
|
Controls (n = 44)
|
Pa | ||
|---|---|---|---|---|---|
| Mean (SD) | Median | Mean (SD) | Median | ||
| Duration (days) of ICU stay | 28.24 (39.44) | 14.00 | 3.02 (6.55) | 1.00 | <0.001 |
| Prior no. of days with bladder catheter | 1.05 (4.80) | 0 | 0.00 | 0 | 0.148 |
| Prior no. of days with nasogastric tube | 0.14 (0.48) | 0 | 0.00 | 0 | 0.039 |
| Prior no. of days with vascular catheter | 17.90 (36.86) | 8.00 | 1.39 (4.09) | 0 | <0.001 |
| Prior no. of days with parenteral nutrition | 10.09 (17.59) | 5.00 | 1.45 (4.99) | 0 | <0.001 |
| Prior no. of days with intubation or tracheostomy | 10.81 (18.14) | 5.00 | 0.48 (1.62) | 0 | <0.001 |
| Prior no. of days of administration with β-lactams | 21.28 (36.94) | 9.00 | 2.11 (5.19) | 0.50 | <0.001 |
| Prior no. of days of administration with aminoglycosides | 10.90 (18.99) | 7.00 | 1.34 (2.54) | 0 | <0.001 |
| Prior no. of days of administration with glycopeptides | 11.38 (23.14) | 0 | 0.68 (3.50) | 0 | <0.001 |
a
P values in boldface are statistically significant.