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Table 1 Cardiovascular performance parameters of C. pagurus under different water PO2 acquired with CINE MRI

From: Non-invasive quantification of cardiac stroke volume in the edible crab Cancer pagurus

ConditionNormoxiaHypoxia
Animal1212
PwO2 during MRI (% air saturation)97.96 ± 0.27100.59 ± 0.2413.20 ± 0.55*15.04 ± 0.11*
HR from MRI (bpm)65.50 ± 14.0035.20 ± 17.0864.62 ± 0.9230.50 ± 1.52
EDV (mL)0.506 ± 0.0770.659 ± 0.1700.576 ± 0.0020.500 ± 0.020
ESV (mL)0.398 ± 0.1410.659 ± 0.0630.283 ± 0.0050.481 ± 0.141
SV from IG MRI (mL)0.180 ± 0.0400.177 ± 0.0340.292 ± 0.007*0.159 ± 0.044
EF (%)33.87 ± 9.4427.47 ± 4.1950.74 ± 1.03*23.89 ± 4.60
  1. Values are given as means ± standard deviation. Normoxic conditions for MRI cover 24 h before the switch to hypoxia, to account for the lower number of sampling points. Hypoxic conditions reflect conditions for the last 3.5 h of low water PO2 levels. Asterisks show that the value under hypoxia is significantly different from the value under normoxia (Mann-Whitney-rank-sum-test, P < 0.05)