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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