Table 2:

PJVF values for subjects

PJVF
Unrestricted FlowJugular Compression
Subject 197.2%53.0%
Subject 284.1%70.6%
Subject 382.1%81.5%
Subject 476.8%69.5%
Subject 574.2%44.3%
Subject 661.2%27.0%
Subject 759.8%63.8%
Subject 859.3%60.0%
Subject 917.9%13.7%
Mean68.1 ± 22.7%53.7 ± 21.9%
t testt = 2.33, P = .019a
Predominantly jugular flow (between 50% and 100%)
    Subjects8/96/9
Predominantly nonjugular flow (<50%)
    Subjects1/93/9
  • a P < .05, paired t test.