Table 2.
Conversion of Vertical Artifacts with the Change of the Frequency from 2 MHz to 6 MHz | Pulmonary Edema (n = 250) | Pulmonary Fibrosis (n = 394) | p |
---|---|---|---|
B to B and Z | 41 (16%) | 41(10%) | <10−6 |
B to Z | 18 (7%) | 193 (49%) | |
B to non-verticals (A) | 0 | 1 (<1%) | |
B and Z to Z | 0 | 3 (<1%) | |
A to B | 1 (<1%) | 0 | |
Z to non-verticals (A) | 0 | 2 (<1%) | |
No change | 190 (76%) | 154 (39%) |