Table 5.

Intervendor agreement and reproducibility for torsion, circumferential and radial strain based on single measurements (R1).

		TomTec versus Circle			TomTec			Circle
Mean Difference (SD)	ICC (95%CI)	CoV (%)	Mean Difference (SD)	ICC (95%CI)	CoV (%)	Mean Difference (SD)	ICC (95%CI)	CoV (%)
Intra-observer	Global torsion (°/cm)	0.74 (1.94)	0.68 (0.42–0.83)	54.65	0.02 (1.72)	0.72 (0.48–0.86)	47.01	0.37 (1.54)	0.61 (0.31–0.79)	46.75
TPK global torsion (ms)	30.03 (141.62)	0.02 (0.00–0.38)	51.09	0.19 (96.1)	0.58 (0.27–0.78)	34.31	30.03 (90.75)	0.58 (0.28–0.78)	34
Global Ecc (%)	4.65 (3.01)	0.78 (0.58–0.9)	13.8	0.29 (1.21)	0.97 (0.95–0.99)	5.02	0.29 (2.16)	0.81 (0.63–0.91)	11.7
TPK global Ecc (ms)	3.66 (24.97)	0.95 (0.89–0.98)	9.91	1.44 (5.63)	1.00 (0.99–1.00)	2.24	1.48 (8.58)	0.99 (0.99–1.00)	3.39
Global Err (%)	1.06 (12.75)	0.37 (0.02–0.65)	31.53	4.9 (8.51)	0.75 (0.53–0.87)	20.87	0.25 (4.74)	0.92 (0.84–0.96)	11.99
TPK global Err (ms)	10.02 (20.24)	0.96 (0.92–0.98)	8.1	6.28 (24.86)	0.93 (86–0.97)	10.03	1.61 (17.41)	0.98 (0.95–0.99)	6.76
Interobserver	Global torsion (°/cm)	0.5 (1.6)	0.87 (0.72–0.94)	46.65	0.24 (0.91)	0.97 (0.94–0.99)	23.99	0.07 (1.44)	0.83 (0.64–0.92)	45.85
TPK global torsion (ms)	17.76 (130.12)	0.36 (0.00–0.70)	48	12.28 (96.9)	0.76 (0.49–0.89)	33.87	19.72 (131.03)	0.29 (0.00–0.67)	48.16
Global Ecc (%)	4.96 (3.73)	0.82 (0.62–0.92)	17.2	0.17 (1.09)	0.99 (0.98–1.00)	4.52	1.18 (1.22)	0.97 (0.93–0.99)	6.46
TPK global Ecc (ms)	2.53 (24.73)	0.97 (0.94–0.99)	9.79	1.13 (5.47)	1.00 (1.00–1.00)	2.18	1.6 (9.23)	1.00 (0.99–1.00)	3.65
Global Err (%)	2.27 (14.55)	0.52 (0–0.77)	34.55	3.32 (8.16)	0.87 (0.72–0.94)	19.63	1.56 (5.17)	0.96 (0.91–0.98)	12.85
TPK global Err (ms)	10.16 (37.62)	0.93 (0.85–0.97)	15.06	0.14 (26.5)	0.96 (0.92–0.98)	10.83	3.53 (13.79)	0.99 (0.98–1.00)	5.37

Results are reported as mean (SD). ICC, intraclass-correlation coefficient; CoV, coefficient of variation; SD, standard deviation; CI, confidence interval. Other abbreviations as in Table 2.