Skip to main content
. 2018 Jun 15;8:9185. doi: 10.1038/s41598-018-27412-2

Table 2.

Inter- and intraobserver reproducibility of global circumferential and global longitudinal strain rate at rest and during exercise testing.

Global circumferential strain rate Global longitudinal strain rate
Baseline Low stress High stress Baseline Low stress High stress
Interobserver
   Mean difference −0.04 ± 0.23 −0.05 ± 0.29 0.00 ± 0.31 −0.01 ± 0.19 0.01 ± 0.24 0.03 ± 0.28
   Absolute difference 0.16 ± 0.17 0.21 ± 0.22 0.22 ± 0.22 0.12 ± 0.14 0.17 ± 0.17 0.19 ± 0.21
   rho 0.69 0.67 0.69 0.56 0.63 0.68
   95%-CI −0.07; 0.01 −0.12; 0.01 −0.07; 0.08 −0.03; 0.03 −0.04; 0.04 −0.02; 0.09
   LOA −0.48; 0.41 −0.63; 0.52 −0.61; 0.62 −0.36; 0.36 −0.48; 0.48 −0.52; 0.58
Intraobserver
   Mean difference −0.08 ± 0.26 −0.07 ± 0.31 0.03 ± 0.28 −0.07 ± 0.22 −0.10 ± 0.26 −0.08 ± 0.33
   Absolute difference 0.16 ± 0.22 0.20 ± 0.24 0.19 ± 0.21 0.13 ± 0.19 0.18 ± 0.22 0.20 ± 0.26
   rho 0.69 0.73 0.68 0.53 0.72 0.64
   95%-CI −0.14;−0.02 −0.16; 0.01 −0.05; 0.13 −0.12; −0.01 −0.17;−0.04 −0.14; 0.03
   LOA −0.58; 0.42 −0.67; 0.53 −0.51; 0.59 −0.50; 0.37 −0.62; 0.41 −0.63; 0.51