An investigation was done to evaluate the influence of extradural block for elective caesarian section simultaneously on several maternal and fetal hemodynamic variables and to determine if the block modified fetal myocardial function. The study subjects were eight healthy parturients in gestational weeks 38-42 with uncomplicated singleton pregnancies undergoing elective caesarian section under extradural anesthesia. Among the measurements taken, were maternal diastolic arterial pressures during two stages of the study. The following are the lowest values of this variable at the two stages. 2 3 4 5 6 7 8 Patient ID Stage 1 70 87 72 70 73 66 63 57 Stage 2 79 87 73 77 80 64 64 60 Difference: O 1 -7 -7 2 -1 -3 Mean -3.25 difference SD 3.955105 What is the population mean? O 3.96 3.30 O None of the choices -3.25 1.

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An investigation was done to evaluate the influence of extradural block for elective caesarian section simultaneously on several
maternal and fetal hemodynamic variables and to determine if the block modified fetal myocardial function. The study subjects were
eight healthy parturients in gestational weeks 38-42 with uncomplicated singleton pregnancies undergoing elective caesarian section
under extradural anesthesia. Among the measurements taken, were maternal diastolic arterial pressures during two stages of the
study. The following are the lowest values of this variable at the two stages.
Patient ID
3 4 5 6 7 8
1
Stage 1
70
87 72 70 73
66 63
57
Stage 2
79
87 73 77
80
64
64
60
Difference:
-9
O 1
-7
-7
-1
-3
Mean
-3.25
difference
SD
3.955105
What is the population mean?
O 3.96
O 3.30
None of the choices
-3.25
2.
2.
Transcribed Image Text:An investigation was done to evaluate the influence of extradural block for elective caesarian section simultaneously on several maternal and fetal hemodynamic variables and to determine if the block modified fetal myocardial function. The study subjects were eight healthy parturients in gestational weeks 38-42 with uncomplicated singleton pregnancies undergoing elective caesarian section under extradural anesthesia. Among the measurements taken, were maternal diastolic arterial pressures during two stages of the study. The following are the lowest values of this variable at the two stages. Patient ID 3 4 5 6 7 8 1 Stage 1 70 87 72 70 73 66 63 57 Stage 2 79 87 73 77 80 64 64 60 Difference: -9 O 1 -7 -7 -1 -3 Mean -3.25 difference SD 3.955105 What is the population mean? O 3.96 O 3.30 None of the choices -3.25 2. 2.
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