Table 2.

Comparison of nurse-acquired and physician-acquired studies for primary and secondary clinical parameters

	Physician	DL guidance	p-value
Qualified video	No. (%) [95% CI]	No. (%) [95% CI]
Total	168 (91.3) [87.2–95.4]	161 (87.5) [82.7–92.3]	0.310
BMI > 25 (N = 97)	91 (93.8) [87.6–99.8]	85 (87.6) [80.9–94.1]	0.137
BMI < 25 (N = 87)	77 (88.5) [81.5–95.4]	76 (87.4) [80.4–94.3]	0.816
Before 5 scans (N = 50)	45 (90.0) [81.7–98.3]	43 (86.0) [76.4–95.6]	0.613
After 5 scans (N = 134)	123 (91.8) [86.5–97.1]	118 (88.1) [82.3–93.9]	0.659
Time to complete study	Median (IQR) (s)	Median (IQR) (s)
Total	20 (16–33)	37 (21–60)	<0.001
BMI > 25 (N = 97)	21 (16–35)	42 (27–67)	<0.001
BMI < 25 (N = 87)	18 (15–28)	30 (18–54)	<0.001
Before 5 scans (N = 50)	20 (16–35)	53 (38–82)	<0.001
After 5 scans (N = 134)	20 (15–30)	30.5 (18–55)	<0.001