Table 2 Comparisons of T2–T3 and T4–T5 periods of cross-sectional area measurements

IJV-I CSA (cm²)

1,13 ± 0,738

1,75 ± 1,296

(t = −5,886, p < 0,001)^b

1,68_±0,966

1,33 ± 1,204^a

(Z = −5,162, p < 0,001)^c

IJV-E CSA (cm²)

0,82 ± 0,622

1,35 ± 1,061

(t = −5,667, p < 0,001)^b

1,36 ± 0,877

1,09 ± 0,933^a

(Z = −4,205, p < 0,001)^c

SCV-I CSA (cm²)

0,71 ± 0,276

0,77_±0,286

(t = −2,704, p = 0,009)^b

0,85 ± 0,410^a

0,70_±0,315

(Z = −3,965, p < 0,001)^c

SCV-E CSA (cm²)

0,73 ± 0,317

0,78 ± 0,273

(t = −2,205, p = 0,032)^b

0,85 ± 0,371

0,74 ± 0,312

(t = 3,864, p < 0,001)^c