Table 3.

Inter-rater reproducibility

	Mean	Difference†	CV	ICC	95% CI
Early
Mediastinum	4.2 ± 0.9	0.73 ± 0.5	12.2	0.63	0.25–0.81
Heart	9.1 ± 3.5	0.35 ± 0.3	2.7	0.99	0.98–1.00
Lumen	4.8 ± 1.7	0.46 ± 0.3	6.7	0.94	0.89–0.97
HM ratio	2.17 ± 0.6	0.34 ± 0.3	11.0	0.80	0.57–0.90
MM ratio	1.01 ± 0.4	0.20 ± 0.2	14.0	0.77	0.58–0.87
ML ratio	0.87 ± 0.3	0.19 ± 0.1	14.9	0.52	0.29–0.69
Delayed
Mediastinum	3.9 ± 1.0	0.42 ± 0.3	13.4	0.66	0.30–0.82
Heart	8.1 ± 4.3	0.21 ± 0.2	1.8	0.99	0.99–1.00
Lumen	4.4 ± 2.2	0.74 ± 0.6	6.8	0.97	0.94–0.98
HM ratio	2.08 ± 0.9	0.43 ± 0.5	14.6	0.75	0.52–0.87
MM ratio	0.95 ± 0.5	0.23 ± 0.3	17.2	0.74	0.56–0.84
ML ratio	0.84 ± 0.2	0.20 ± 0.2	17.3	0.51	0.28–0.69

^†One sample T test of the absolute differences between the two measurements, all differences were P < 0.001.