Skip to main content

Table 1 Intra- and inter-observer variability of measurements

From: Is cardiac CT a reliable alternative for cardiac CMR in adult patients with a systemic right ventricle?

Intra-observer variability

 

CMR (n=20)

MDCT (n=15)

p-value

Parameter

Average

Difference

CV

Average

Difference

CV

 

EDV (ml)

212

-5

±

13

6%

294

-11

±

36

12%

N.S

ESV (ml)

139

-4

±

9

7%

200

-19

±

35

18%

N.S

SV (ml)

74

-1

±

7

9%

96

5

±

15

16%

N.S

EF (%)

36

0.1

±

2

6%

35

6

±

9

25%

N.S

Inter-observer variability

 

CMR (n=20)

MDCT (n=15)

p-value

Parameter

Average

Difference

CV

Average

Difference

CV

 

EDV (ml)

213

-7

±

21

10%

277

-22

±

34

12%

N.S

ESV (ml)

139

-5

±

18

13%

189

-5

±

22

12%

N.S

SV (ml)

74

-2

±

9

12%

89

-17

±

29

32%

<0.01

EF (%)

36

-0.1

±

3

8%

35

-6

±

7

20%

NS