Table 1 Presentation of the summary results of the included studies
Author, year and country | Study design | Total sample size | Positions in comparison | Results | Bias/ Limitation | ||
|---|---|---|---|---|---|---|---|
Mean (minutes) for Upright/lateral | Mean (minutes) for Supine | Length of time shortened by upright position | |||||
Simaro M., 2017 (Spain) | RCT | 155 | All upright/lateral Vs supine | 94.6 | 124.3 | 29.7 | Low risk |
Denakpo J., 2012 (Benrin) | CS | 980 | Standing, sitting and squatting Vs supine | 159.5 | 179.3 | 19.8 | Low risk |
Gupta JK, 1989 (U.K) | RCT | 114 | Squatting Vs supine | 36 | 40 | 4 | Low risk |
Mathew A., 2012(India) | RCT | 60 | Birthing ball & ambulation Vs supine | 23.9 | 49.8 | 25.9 | Low risk |
Mraloglu O., 2017 (Turky) | RCT | 100 | Squatting Vs supine | 21.02 | 55.4 | 34.38 | Low risk |
Dabral A., 2018 (India) | RCT | 300 | Kneeling Vs supine | 23.9 | 39.38 | 15.48 | Low risk |
Marittila M., 1983 (Finland) | RCT | 100 | Sitting Vs supinr | 21.8 | 25 | 3.2 | Low risk |
Thilagavathy G.,2012 India) | RCT | 200 | Half sitting Vs supine | 56 | 67 | 11 | Low risk |