Summary of descriptive data & likelihood ratios
| Total (%) | Diagnosed GCA | Positive likelihood ratio | Negative likelihood ratio | |
|---|---|---|---|---|
| (95% CI) | (95% CI) | |||
| All patients | 87 (100%) | 36/87 (41%) | – | – |
| ACR Criteria +ve (>3) | 36 (41%) | 21/36 (58%) | 2.2 (1.3–3.6) | 0.5 (0.3–0.8) |
| CDUS +ve | 30 (34%) | 29/30 (96%) | 41 (5.9–288) | 0.2 (0.1–0.4) |
| ACR +ve and CDUS +ve | 19 922%) | 18/19 (86%) | 25 (3.6–182) | 0.51 (0.4–0.5) |
| Biopsied | 24 (28%) | 17/24 (71%) | – | – |
CI, confidence interval.