Table 3 Positive (LR+) and negative (LR−) likelihood ratios and their corresponding effect on posttest probability according to Jaeschke et al. [21]
From: Diagnostic accuracy of arthroscopic biopsy in periprosthetic infections of the hip
LR+ | LR− | Effect on posttest probability |
|---|---|---|
>10 | <0.1 | Large |
5–10 | 0.1–0.2 | Moderate |
2–5 | 0.2–0.5 | Small |
1–2 | 0.5–1 | Marginal |
1 | 1 | No change |