Reference ranges (“normal values”) for cardiovascular magnetic resonance (CMR) in adults and children: 2020 update

Table 65 Left ventricular global peak circumferential strain using tagging

Parameter	n	Mean_p	SD_p	LL–UL^a
Circumferential strain (%)	204	− 20.1	3.0	− 26.0 to − 14.2

Pooled weighted values from references [182, 183]
n number of study subjects included in the weighted mean values, mean_p pooled weighted mean, SD_p pooled standard deviation, LL lower limit, UL upper limit
^aCalculated as mean_p ± 2*SD_p

ISSN: 1532-429X