Echo Estimate Method	Mean difference (95 % CI)	SD of differences	Lower limit of agreements (95%CI)	Upper limit of agreements (95%CI)	Median (range) Absolute difference	No. (%) within 1 WU
Method 1	2.5 (2 to 3.1)	2.6	-2.6	7.7	2.2 (1.6 to 2.7)	28 (28 %)
Method 2	0.8 (0.3 to 1.2)	2.2	-3.5	5	0.5 (0.2 to 0.8)	56 (55 %)