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Table 1 Mean values of left ventricular parameters as found in the current study by MPS and MR imaging.

From: Gated myocardial perfusion SPECT underestimates left ventricular volumes and shows high variability compared to cardiac magnetic resonance imaging -- a comparison of four different commercial automated software packages

 

EDV

ml

p-value

ESV

ml

p-value

SV

ml

p-value

EF

%

p-value

QGS(*)

111 ± 48 (47-331)

¶¶¶

54 ± 41 (11-264)

 

57 ± 14 (32-100)

§§§

‡‡‡

¶¶¶

56 ± 12 (20-79)

§§§

¶¶

ECTb(§)

113 ± 52 (50-365)

¶¶¶

44 ± 41 (11-287)

¶¶¶

68 ± 20 (39-167)

***

†††

‡‡

¶¶¶

65 ± 12 (17-87)

***

†††

MyoMetrix(†)

117 ± 48 (50-324)

¶¶¶

60 ± 44 (16-287)

 

57 ± 14 (29-99)

§§§

‡‡‡

¶¶¶

53 ± 12 (11-77)

§§§

‡‡‡

¶¶¶

Exini(‡)

129 ± 43 (65-322)

¶¶¶

52 ± 31 (18-217)

77 ± 18 (45-134)

***

§§

†††

¶¶¶

61 ± 10 (29-82)

*

†††

MR imaging(¶)

166 ± 54 (78-430)

***

§§§

†††

‡‡‡

68 ± 46 (17-326)

§§§

98 ± 21 (49-166)

***

§§§

†††

‡‡‡

62 ± 11 (24-84)

**

†††

  1. Significant differences are shown for comparisons with QGS (*, **, ***), ECTb (§, §§, §§§), MyoMetrix (†, ††, †††), Exini (‡, ‡‡, ‡‡‡) and MR imaging (¶, ¶¶, ¶¶¶) according to the convention *, §, †, ‡, ¶ = p < 0.05, **, §§, ††, ‡‡, ¶¶ = p < 0.01, and ***, §§§, †††, ‡‡‡, ¶¶¶ = p < 0.001, respectively. Data presented as mean ± SD (range)