Offshore telementored ultrasound: a quality assessment study

The Ultrasound Journal

Table 2 Mean image scores by acoustic window for telementored ultrasound in four different thoraco-abdominal windows (FAST)

Acoustic window	Position	n	Mean^a	Standard deviation	%^≥3,b
Subcostal 4-chamber	7	37	2.65	0.72	57
Peri-hepatic	8	37	3.35	0.75	84
Peri-splenic	9	37	3.14	0.82	78
Pelvic	10	37	3.73	0.51	97

^aImage quality scoring system: 1 = no visible image, 5 = excellent image quality
^b%^≥3Percentage of images with score of ≥ 3, which was defined as the cut-off score for images with sufficient quality to extract clinical information, n number of scans