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