Observer reproducibility
| Average Difference Degree of Stenosis ± SD (%) | Bland-Altman Limits of Agreement (%) | ICC (95% CI) for Degree of Stenosis | |
|---|---|---|---|
| Manual intraobserver (n = 38) | 0.083 ± 13 | −26–26 | 0.88 (0.79–0.94) |
| Manual interobserver (n = 37) | 2.6 ± 15 | −28–32 | 0.81 (0.70–0.90) |
| 3mensio interobserver (n = 141) | 0.94 ± 7.5a (P = .007) | −14–16 | 0.96 (0.95–0.97a (P < .001) |
| Philips interobserver (n = 141) | −2.8 ± 11 | −23–18 | 0.90 (0.86–0.93)a (P = .0041) |
| TeraRecon interobserver (n = 141) | 7.0 ± 14 | −20–34 | 0.83 (0.70–0.90) |
| Siemens interobserver (n = 141) | 6.5 ± 12 | −17–30 | 0.86 (0.73–0.92) |
↵a Significant difference with manual interobserver measurements.