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. Author manuscript; available in PMC: 2020 Mar 1.
Published in final edited form as: Ultrasound Med Biol. 2018 Dec 29;45(3):741–748. doi: 10.1016/j.ultrasmedbio.2018.11.003

Table 2.

The regional changes of surface wave speeds in percentage (%) for each intercostal space with color coded. The average global changes of the surface wave speed for all six intercostal spaces are respectively, 8.70 %, 7.20%, and 2.60% at 100 Hz, 150 Hz, and 200 Hz. The average global change of the surface wave speed is 6.17% for six intercostal spaces and three frequencies.

R1 R2 R3 L1 L2 L3
100 Hz −20.79 66.27 −6.99 −14.33 19.94 8.12
150 Hz −32.16 13.57 51.41 −19.16 7.69 21.82
200 Hz −28.79 −6.47 3.82 19.01 −0.60 28.63