. Author manuscript; available in PMC: 2016 Nov 1.

Published in final edited form as: Am J Emerg Med. 2015 Jun 6;33(11):1552–1556. doi: 10.1016/j.ajem.2015.06.002

Table 2.

Number of B-lines detected by number of zones scanned and by ultrasound device (2 second clips)

	Pocket device	High-end machine	P value^*
Sum of B-lines in 4 zones	2 (1–4)	3 (1–5)	0.67
Sum of B-lines in 8 zones^†	4 (2–7)	5 (3–7)	0.18

Values shown are median number of B-lines (interquartile range).

Wilcoxon signed-rank test

^†

Subset with 8 zones scanned included n=20.