Importance of Reference Muscle Selection in Quantitative Signal Intensity Analysis of T2-Weighted Images of Myocardial Edema Using a T2 Ratio Method

Figure 6

Bland Altman analysis of inter- (a) and intraobserver variability (b) assessment of the T2 SI ratio measurements of the edematous area with 95% confidence intervals using different muscle groups in patients with chronic MI. Enhancement referenced to the serratus anterior muscle had the best inter- and intraobserver agreement. 95% confidence intervals are labeled.

(a)

(b)