Table 5.
Descriptive statistics (error in μm, medians and quartiles, means and 95% CIs) for linear and cross distances
| Scanner | Linear distances | Cross distances | ||||
|---|---|---|---|---|---|---|
| Median (Q1–Q3)a | Median (Q1–Q3)b | Mean (95% CI)c | Median (Q1–Q3)a | Median (Q1–Q3)b | Mean (95% CI)c | |
| CS 3600® | 0.0 (−9.2–8.0) | 8.0 (4.0–19.0) | −3.0 [−15.7; 9.7] | 60.5 (−2.5–109.2) | 62.5 (19.2–109.2) | 70.9 [−3.0; 144.8] |
| CS 3700® | 5.5 (−15.8–19.5) | 19.0 (10.0–26.8) | 1.2 [− 15.3; 17.7] | 5.5 (−25.0–39.2) | 35.0 (20.5–50.0) | 15.0 [−7.2; 37.2] |
| DWIO® | − 58.5 (− 104.5–-36.2) | 58.5 (36.2–104.5) | −76.5 [− 109.8; −43.3] | −12.5 (− 119.0–55.5) | 111.0 (46.5–230.2) | − 20.0 [−86.8; 46.8] |
| EMERALD® | −35.0 (−69.8–-11.8) | 41.0 (16.0–69.8) | −40.1 [−67.4; − 12.7] | − 24.0 (− 112.8–40.8) | 103.0 (34.5–122.0) | −27.6 [− 105.9; 50.8] |
| EMERALD S® | − 38.0 (− 51.8–-19.2) | 38.0 (19.2–51.8) | −41.7 [− 67.9; − 15.6] | − 131.0 (− 220.8–-97.2) | 131.0 (97.2–220.8) | − 156.0 [− 216.3; − 95.7] |
| ITERO ELEMENTS 5D® | 0.0 (−6.0–13.0) | 11.0 (4.0–17.8) | −1.2 [− 19.5; 17.2] | 8.5 (− 18.2–46.8) | 36.0 (14.5–57.2) | 13.9 [− 3.7; 31.5] |
| MEDIT I-500® | − 0.5 (− 11.5–5.8) | 8.0 (3.0–16.8) | −2.2 [− 12.9; 8.6] | − 6.0 (− 27.5–23.5) | 27.0 (15.5–54.0) | −9.6 [− 20.3; 1.2] |
| OMNICAM® | −8.5 (− 30.5–10.5) | 23.0 (9.8–52.0) | −6.6 [− 26.5; 13.3] | 15.0 (−48.5–138.2) | 88.5 (27.5–150.2) | 52.3 [− 12.0; 116.7] |
| PRIMESCAN® | 3.5 (− 2.0–9.0) | 6.5 (3.0–11.0) | −0.8 [− 8.0; 6.4] | 41.5 (7.0–86.8) | 41.5 (14.8–86.8) | 50.2 [6.9; 93.6] |
| RUNEYES® | 18.5 (− 1.0–33.2) | 23.0 (15.0–34.8) | 16.4 [3.0; 29.8] | 114.0 (49.2–216.8) | 114.0 (49.2–216.8) | 142.4 [64.0; 220.9] |
| TRIOS 3® | −30.0 (− 37.0–-19.2) | 30.0 (22.0–37.0) | −25.4 [− 41.8; −9.0] | − 78.5 (− 124.2–-50.0) | 78.5 (56.0–124.2) | − 83.7 [− 122.4; − 45.1] |
| VIRTUO VIVO® | −14.0 (− 25.5–0.5) | 15.5 (6.2–25.5) | − 18.0 [− 35.9; − 0.1] | −51.0 (− 85.5–-11.0) | 55.5 (30.2–87.8) | −74.4 [− 85.7; − 63.0] |
aMedian (interquartile range) error calculated on raw data
bMedian (interquartile range) absolute error
cMean error (95% CI) estimated using linear mixed effects models