Table 3.
Bland-Altman analysis showing mean bias and LoA
| Imaging modality | Overall |
NF-pNETs |
||||||
|---|---|---|---|---|---|---|---|---|
| N | mean bias (95% CI) | LoA (95% CI) |
N | mean bias (95% CI) | LoA (95% CI) |
|||
| lower | upper | lower | upper | |||||
| All | 65 | −0.2 (−1.8 to 1.4) | −12.9 (−15.6 to −10.1) | 12.6 (9.8–15.3) | 49 | 0.6 (−1.3 to 2.5) | −12.6 (−16.0 to 9.3) | 13.8 (10.5–17.2) |
| MRI | 35 | 0.6 (−1.2 to 2.4) | −9.6 (−12.7 to −6.5) | 10.9 (7.8–14.0) | 27 | 1.5 (−0.7 to 3.7) | −9.4 (−13.2 to −5.6) | 12.5 (8.7–16.3) |
| CT | 35 | 0.0 (−2.7 to 2.8) | −15.9 (−20.7 to 11.1) | 15.8 (11.1–20.6) | 26 | 0.1 (−3.6 to 3.8) | −17.8 (−24.2 to 11.4) | 18.1 (11.7–24.5) |
| EUS | 28 | −1.8 (−3.9 to 1.0) | −13.9 (−18.2 to 9.7) | 11.0 (6.7–15.3) | 19 | −1.1 (−4.2 to 1.9) | −13.5 (−18.8 to −8.2) | 11.2 (5.9–16.5) |
| Imaging modality | 2003–2010 |
2011–2017 |
||||||
|---|---|---|---|---|---|---|---|---|
| N | mean bias (95% CI) | LoA (95% CI) |
N | mean bias (95% CI) | LoA (95% CI) |
|||
| lower | upper | lower | upper | |||||
| Overall | 32 | −0.2 (−3.0 to 2.6) | −15.5 (−20.3 to −10.6) | 15.1 (10.2–19.9) | 33 | −0.1 (−1.9 to 1.7) | −10.0 (−13.0 to −6.9) | 9.7 (6.6–12.8) |
| MRI CT |
10 21 |
−1.9 (−5.6 to 1.8) 1.0 (−2.8 to 4.9) |
−12.2 (−18.8 to −5.5) −15.4 (−22.1 to −8.8) |
8.4 (1.7–15.0) 17.5 (10.9–24.1) |
25 14 |
0.7 (−1.4 to 2.9) −1.0 (−3.8 to 1.9) |
−9.6 (−13.3 to −5.8) −10.5 (−15.4 to −5.6) |
11.0 (7.3–14.8) 8.6 (3.7–13.5) |
| EUS | 17 | −2.7 (−6.2 to 0.9) | −16.2 (−22.4 to −10.0) | 10.9 (4.7–17.1) | 11 | 0.4 (−3.2 to 4.0) | −10.1 (−16.5 to −3.8) | 10.9 (4.6–17.3) |
CI, confidence interval; CT, computed tomography; EUS, endoscopic ultrasonography; LoA, limits of agreement; MRI, magnetic resonance imaging; N, number of; NF-pNET, non-functioning pancreatic neuroendocrine tumor.