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Table 2 Lateral and prone position in women with preeclampsia – physiological variables, comfort scores and preferred position

From: The prone position in healthy pregnant women and in women with preeclampsia – a pilot study

Variable

Position

P value

Mean difference

95% confidence interval

 

Left lateral

Prone

   

Systolic blood pressure (mmHg)

148 ± 9.0

142 ± 9.1

0.019

− 6.6

− 11.9 to − 1.3

Diastolic blood pressure (mmHg)

95 ± 7.8

94 ± 7.1

0.674

−0.9

− 5.1 to 3.4

Mean arterial pressure (mmHg)

113 ± 7.8

110 ± 7.0

0.192

−2.8

− 7.1 to 1.6

Heart rate (BPM)

79 ± 11.1

83 ± 13.4

0.008

4.7

1.4 to 7.9

Respiratory rate (BrPM)

18 ± 3.4

17 ± 2.9

0.036

−0.7

−1.4 to 0.1

Oxygen saturation (SpO2%)

98 ± 0.9

98 ± 0.6

0.582

0.1

−0.4 to 0.6

Fetal heart rate (BPM)

138 ± 7.4

141 ± 9.0

0.232

2.2

−1.6 to 6.0

Comfort score

7 (5.25,8)

7.5 (7,8)

0.125

  

Preferred position

8 (53%)

7 (47%)

   
  1. Data are mean ± SD, median (quartiles), number of women (%) as appropriate. SpO2 = oxygen saturation obtained by pulse oximetry, BPM beats per minutes, BrPM breaths per minute