Table 5.
Sensitivity, specificity, positive and negative predictive values of selected combined testsa
| Tests combinations | Sensitivity | Specificity | PPV | NPV | ||
|---|---|---|---|---|---|---|
| T0 | T24 | T48 | ||||
| CBC | CRP | 88% (82–92) | 60% (55–65) | 46% (41–52) | 93% (89–96) | |
| CBC + CRP | CRP | 88% (82–92) | 60% (55–65) | 46% (41–52) | 93% (89–96) | |
| CBC + CRP | CBC + CRP | 88% (82–92) | 56% (51–61) | 44% (38–49) | 92% (88–95) | |
| CBC + CRP | 65% (57–72) | 66% (61–70) | 42% (36–48) | 83% (79–87) | ||
| CBC + CRP | 87% (81–92) | 59% (54–64) | 45% (40–51) | 93% (89–95) | ||
| CRP | CBC | 74% (67–81) | 62% (57–67) | 43% (37–49) | 86% (82–90) | |
| CRP | CRP | 84% (78–89) | 70% (65–74) | 52% (46–58) | 92% (88–95) | |
| CRP | CRP | CRP | 86% (79–90) | 69% (64–73) | 52% (46–58) | 93% (89–95) |
aParenthesis indicate 95% confidence interval