Table 2.
Baseline characteristics of the included studies
| Study ID | MgSo4 | Age, y M (SD) |
Gestational age, W M (SD) |
SBP, mmHg M (SD) |
DBP, mmHg M (SD) |
Mode Of Delivery | |||
|---|---|---|---|---|---|---|---|---|---|
| Pre-Eclampsia | No. Vaginal Delivery | No. Cesarean Section | |||||||
| Grillo et al. 2023a [13] | 12 h | 29 (8) | 38 (3) | 170 (30) | 110 (20) | 15 | 59 | ||
| 24 h | 30 (10) | 37 (5) | 170 (23) | 110 (30) | 53 | 21 | |||
| Hekal et al. 2020 [2] | 12 h | 26.6 (5) | 38.2 (2) | 162.5 (14.9) | 105.1 (10.3) | 37 | 43 | ||
| 24 h | 26.6 (5.2) | 38.2 (1.8) | 161.1 (16.9) | 100.3 (13.9) | 35 | 45 | |||
| Orisabinone et al. 2020 [12] | 12 h | 26.7(5.9) | NA | 178.1 (19.3) | 105.1 (23) | 27 | 31 | ||
| 24 h | 27.7(6.7) | NA | 180 (23.3) | 98.4 (32.3) | 26 | 32 | |||
| Dixit et al. 2020 [9] | 12 h | 27.9 (4.8) | 36.7 (2.6) | 166.2 (13.3) | 104.7 (9.5) | 16 | 16 | ||
| 24 h | 27.3 (5.2) | 36.6 (2.7) | 165.2 (12.4) | 104.1 (10.5) | 17 | 18 | |||
| Unwaha et al. 2020 [4] | 12 h | 34.1 (4.5) | 34.4 (4) | 174.5 (27.7) | 110.8 (21.8) | 15 | 25 | ||
| 24 h | 32.3 (6.1) | 34.1 (4.5) | 175.3 (27.7) | 110.9 (15.9) | 10 | 30 | |||
| Kashanian et al. 2015 [8] | 12 h | 28.9 (6.1) | 36.1 (1.2) | 152.2 (12.3) | 95.2 (9.4) | NA | NA | ||
| 24 h | 29.9 (6.1) | 36.2 (1.3) | 158.3 (15.4) | 95.1 (9.5) | NA | NA | |||
| El-Khaya et al. 2014 [14] | 12 h | 26.6 (5) | 35.9 (2.9) | 162.5 (14.9) | 105.1 (10.3) | 37 | 43 | ||
| 24 h | 26.6 (5.2) | 35.6 (2.7) | 161.1 (16.9) | 100.3 (13.9) | 35 | 45 | |||
| Maia et al. 2014 [7] | 12 h | 24.7 (6.3) | 36.8 (3) | 142.4 (16.4) | 92.4 (11.9) | 20 | 36 | ||
| 24 h | 26.3 (7.6) | 37.2 (4.9) | 142.1 (15.1) | 95.4 (10.8) | 23 | 33 | |||
| Ehrenberg et al. 2006 [10] | 12 h | 24.4 (6.5) | 38.7 (1.7) | 143 (13) | 82 (10) | 79 | 22 | ||
| 24 h | 25.2 (6.5) | 38.7 (1.7) | 140 (13) | 82 (11) | 70 | 25 | |||
| Eclampsia | |||||||||
| Khan et al. 2021 [17] | 12 h | ≤ 30 yb | 23 (46%) | 36.7 (1.3) | 138.2 (11.5) | 85.6 (12.4) | 15 | 35 | |
| > 30 yb | 27 (54%) | ||||||||
| 24 h | ≤ 30 yb | 22 (44%) | 36.6 (1.7) | 141.5 (11.8) | 90 (8.1) | 19 | 31 | ||
| > 30 yb | 28 (56%) | ||||||||
| Anjum et al. 2015 [3] | 12 h | 23.8 (3.4) | 35.6 (1.2) | 166.7 (18.8) | 102.2 (8.7) | NA | NA | ||
| 24 h | 24.5 (3.6) | 36.5 (1.6) | 161.6 (21.5) | 100.3 (13.9) | NA | NA | |||
| Rao et al. 2015b [11] | 12 h | 20–24 y | 33 (55%) | NA | ≤ 90 | 6 (10%) | NA | NA | NA |
| 91–100 | 7 (11.6%) | ||||||||
| 25–29 y | 14 (23.3%) | 101–110 | 13 (21.6%) | ||||||
| 30–40 y | 13 (21.6%) | ≥ 110 | 34 (56.6%) | ||||||
| 24 h | 20–24 y | 35 (58.3%) | NA | ≤ 90 | 4 (6.6%) | NA | NA | NA | |
| 91–100 | 9 (15%) | ||||||||
| 25–29 y | 10 (16.6%) | 101–110 | 15 (25%) | ||||||
| 30–40 y | 15(25%) | ≥ 110 | 32 (53.3%) | ||||||
| Beyuo et al. 2022 [1] | 12 h | 31 (6) | 36.5 (4.2) | 168.8 (16.3) | 107.3 (11.1) | 214 | 369 | ||
| 24 h | 31.3 (5.9) | 35.2 (4.4) | 165.7 (21.6) | 109 (14.2) | 172 | 398 | |||
M (SD) mean (standard division), y year, w week, SBP Systolic blood pressure, DBP Diastolic blood pressure
aData of Grillo et al. [13] reported as median (interquartile range)
bData reported as frequency (percentage)