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Validity values of superficial cultures for the prediction of catheter-related bloodstream infectiona
| Group | Parameter | Value (%) |
||
|---|---|---|---|---|
| Overall | Skin | Hubs | ||
| A | S | 23.5 | ||
| SP | 59.7 | |||
| PPV | 4.6 | |||
| NPV | 90.4 | |||
| B | S | 45.5 | 36.4 | 18.2 |
| SP | 63.0 | 63.8 | 98.6 | |
| PPV | 8.9 | 7.4 | 50.0 | |
| NPV | 93.5 | 92.6 | 93.8 | |
S, sensitivity; SP, specificity; PPV, positive predictive value; NPV, negative predictive value; group A, totally implantable venous access ports; group B, long-term tunneled catheters. Values of >90% are shown in boldface type.
