Table 2 Inter-study reproducibility as evaluated by the absolute difference, coefficient of variation (COV) (expressed in %) and interclass correlation (ICC) between results from the first (CMR1) and second (CMR2) cardiac magnetic resonance exams, during isoflurane (IF) and pentobarbital (P) anesthesia.

LVM (µg)

83.55 (7.22)

87.26 (13.67)

8.10 (8.58)

8.64 (8.36)

0.449 [−0.179–0.825] (0.074)

81.10 (8.75)

83.95 (11.35)

9.68 (7.58)

10.62 (7.42)

0.279 [−0.437–0.794] (0.219)

0.689

LVEDV (µL)^§

53.92 (5.58)

54.20 (7.14)

3.96 (2.49)

7.00 (4.28)

0.737 [0.273–0.927] (0.003)

62.54 (20.53)

62.03 (8.28)

14.07 (10.30)

19.04 (12.62)

0.380 [−0.341–0.832] (0.142)

0.008

LVESV (µL)

16.15 (4.03)

15.84 (5.11)

2.40 (1.97)

12.97 (9.64)

0.779 [0.361–0.939] (0.002)

19.67 (12.58)

18.46 (8.30)

14.28 (9.35)

50.26 (19.73)

−0.349 [−0.807–0.406] (0.824)

0.001

LVEF (%)

70.23 (5.56)

71.12 (6.71)

3.82 (2.55)

5.36 (3.62)

0.729 [0.256–0.924] (0.004)

70.46 (10.26)

70.07 (14.05)

15.51 (11.99)

19.43 (15.06)

−0.324 [−0.797–0.429] (0.805)

0.008

RVEDV (µL)^§

21.75 (5.95)

20.61 (3.73)

6.57 (3.04)

26.21 (10.32)

−0.089 [−0.638–0.536] (0.601)

36.64 (10.95)

35.25 (8.00)

11.56 (7.22)

26.13 (13.49)

−0.040 [−0.661–0.638] (0.535)

0.064

RVESV (µL)^§

6.86 (2.81)

5.37 (2.30)

3.00 (2.64)

37.09 (24.43)

−0.123 [−0.658–0.511] (0.640)

15.20 (12.36)

13.86 (5.03)

9.55 (7.65)

42.98 (15.82)

0.157 [−0.535–0.741] (0.332)

0.022

RVEF (%)^§

68.68 (10.05)

73.40 (11.81)

12.54 (8.84)

15.96 (9.74)

0.052 [−0.546–0.630] (0.433)

62.24 (19.22)

60.11 (13.13)

16.77 (11.63)

25.26 (18.61)

0.225 [−0.482–0.771] (0.267)

0.393

Ecc base^§

−9.94 (2.80)

−10.33 (2.98)

2.85 (2.48)

45.13 (56.66)

0.143 [−0.545–0.734] (0.346)

−13.05 (3.75)

−12.64 (1.81)

2.67 (3.66)

23.64 (32.53)

0.539 [−0.151–0.885] (0.056)

0.912

Ecc apex^§

−12.69 (2.85)

−11.86 (3.18)

3.80 (3.67)

55.12 (72.01)

−0.599 [−0.895–−0.103] (0.958)

−15.77 (2.35)

−14.70 (2.84)

2.52 (2.71)

18.25 (18.46)

0.462 [−0.250–0.860] (0.093)

0.505

Err base

5.05 (1.96)

7.10 (2.54)

3.01 (2.90)

32.62 (25.46)

−0.438 [−0.841–0.314] (0.833)

4.88 (4.00)

4.33 (2.14)

2.12 (1.85)

28.99 (19.22)

0.330 [−0.391–0.813] (0.179)

0.544

Err apex

7.38 (1.99)

4.91 (2.06)

3.29 (2.21)

40.35 (22.49)

0.449 [−0.845–0.301] (0.890)

6.47 (3.24)

7.58 (2.87)

4.56 (3.29)

50.42 (35.89)

0.447 [−0.268–0.855] (0.101)

0.387

Ell^§

−10.65 (2.79)

−10.43 (2.24)

2.93 (3.55)

52.74 (90.08)

−0.758 [−0.948–−0.258] (0.994)

−14.08 (1.90)

−12.28 (2.13)

2.48 (2.10)

20.53 (15.04)

0.234 [−0.475–0.775] (0.259)

0.799