Table 2. Relationships between data compared with Pearson correlation coefficient and Passing–Bablok method, sample size for each group: n = 70.

Comparison devices (size of voxel)	r2	Intercept a (95% CI)	Slope b (95% CI)
CBCT 9500 (200 µm), CBCT 9000 (76 µm)	0.9997	−0.377 (−1.62 to 0.709)	1.002 (0.994–1.009)
CBCT 9500 (200 µm), micro-CT (41 µm)	0.9997	−0.624 (−2.158 to 0.411)	0.996 (0.988–1.006)
CBCT 9500 (300 µm), CBCT 9000 (76 µm)	0.9996	−1.925 (−3.318 to −0.851)	1.009 (1.002–1.018)
CBCT 9500 (300 µm), micro-CT (41 µm)	0.9998	−1.883 (−3.008 to −1.129)	1.004 (0.998–1.012)

CI, confidence interval; CBCT, cone beam CT.