Skip to main content

Table 4 Published studies and Present study: Intraobserver Comparison of Echocardiographic Measurements

From: "Echocardiography in Nigeria: use, problems, reproducibility and potentials"

 

Dai et al (ref 27)

Present Study

Ladipo et al (ref 29)

Schieken et al (ref 26)

Parameter

Mdiff

SD

Error

Mdiff

SD

Error

Mdiff

SD

Error

Mdiff

SD

Error

RVOT

NA

NA

NA

-0.06

0.39

0.195

NA

NA

NA

NA

NA

NA

AO

0.05

1.20

0.60

0.025

0.152

0.076

NA

NA

NA

NA

NA

0.05

AVO

NA

NA

NA

-0.08

0.37

0.185

NA

NA

NA

NA

NA

NA

LA

0.15

1.35

0.675

0.12

0.29

0.145

NA

NA

NA

NA

NA

0.06

IVSd

0.05

0.82

0.41

0.09

0.10

0.05

0.04–0.08

0.06–0.18

0.03–0.09

NA

NA

0.06

IVSs

0.05

1.13

0.565

0.04

0.22

0.11

NA

NA

NA

NA

NA

NA

LVIDd

-0.60

0.97

0.485

0.02

0.41

0.205

0.07–0.12

0.10–0.28

0.05–0.14

NA

NA

0.13

LVIDs

-0.15

1.18

0.595

0.03

0.37

0.185

0.02–0.08

0.09–0.20

0.05–0.10

NA

NA

0.10

PWTd

0.13

0.84

0.42

0.03

0.16

0.080

0.06–0.10

0.09–0.27

0.05–0.14

NA

NA

0.06

PWTs

0.33

1.14

0.57

0.10

0.18

0.090

NA

NA

NA

NA

NA

NA

LVM

-1.82

18.79

9.40

5.68

36.3

18.1

NA

NA

NA

NA

NA

NA

  1. RVOT = Right Ventricular Outflow Diameter, AO = Aortic Root Diameter, AVO = Aortic Valve Opening, LA = Left Atrial Diameter, IVSd = Interventricular Septal wall thickness in diastole, IVSs = Interventricular septal wall thickness in systole, LVIDs = Left ventricular Internal Diameter in Diastole, LVIS = Left Ventricular internal diameter in Systole, PWTd = Posterior Wall Thickness in Diastole, PWTs = Posterior Wall Thickness in Systole, LVM = Left Ventricular Mass, Mdiff = Mean difference, SD = Standard Deviation, Error = SD/2 NA = Not Available.