Table 3.

Inter pullback reliability.

	First measure		Second measure		Mean difference [CI]	Mean relative difference [CI]	ICC [CI]
	Mean [CI]	Median [Q1–Q3]	Mean [CI]	Median [Q1–Q3]
Intima thickness mean	0.30 [0.29–0.31]	0.29 [0.24–0.35]	0.33 [0.32–0.34]	0.32 [0.27–0.39]	−0.03 [−0.04 to 0.03]	9.23% [7.72–10.74%]	0.79 [0.73–0.83]
Media thickness mean	0.08 [0.07–0.08]	0.07 [0.06–0.10]	0.08 [0.08–0.09]	0.08 [0.07–0.10]	−0.01 [−0.01 to 0.01]	10.46% [8.09–12.83%]	0.62 [0.53–0.69]
Intima-media complex area	4.01 [3.90–4.12]	3.96 [3.22–4.73]	4.48 [4.36–4.60]	4.35 [3.72–5.15]	−0.47 [−0.53 to 0.40]	9.99% [8.71–11.27%]	0.85 [0.81–0.88]
Intima area	3.12 [3.02–3.21]	3.14 [2.48–3.61]	3.47 [3.36–3.58]	3.40 [2.88–4.00]	−0.35 [−0.42 to 0.29]	9.54% [8.00–11.07%]	0.81 [0.76–0.84]
Media area	0.90 [0.85–0.94]	0.79 [0.60–1.18]	1.01 [0.97–1.04]	0.94 [0.76–1.23]	−0.11 [−0.14 to 0.09]	12.07% [9.74–14.39%]	0.79 [0.74–0.83]

CI — confidence interval; ICC — intraclass correlation coefficient