Table 1.
Characteristics of the included clinical trials.
| Author | Location | Anaesthesia | Cases | Mean | MAP | GA | Baby body |
|---|---|---|---|---|---|---|---|
| strategy | Age | Weight (g) | |||||
| Hodgkinson | Canada | General | 10 | 22.9 | Unclear | NR | 2709.3 |
| 1980 | Epidural | 10 | 22.3 | Unclear | NR | 2395.9 | |
| Ramanathan | United | General | 11 | 18.8 | 133 | 33.2 | 2229 |
| 1991 | States | Epidural | 10 | 19.3 | 133 | 32.7 | 2216 |
| Wallace | United | General | 26 | NR | 123.89 | 34 | 2138 |
| 1995 | States | Epidural | 27 | NR | 120.54 | 34 | 2158 |
| Sharwood | United | Spinal | 11 | 29.7 | NR | 33.8 | NR |
| 1999 | Kingdom | Epidural | 10 | 27.3 | NR | 35 | NR |
| Mathur | India | Spinal | 21 | 24.9 | Unclear | NR | 2020 |
| 2002 | General | 20 | 25.9 | Unclear | NR | 2700 | |
| Epidural | 20 | 25.3 | Unclear | NR | 2740 | ||
| Dyer | South | Spinal | 35 | 25 | 121 | 34.9 | 2138 |
| 2003 | Africa | General | 35 | 26 | 120 | 35.1 | 2236 |
| Visalyaputra | Thailand | Spinal | 47 | 30 | 136 | 36 | 2410 |
| 2005 | General | 53 | 32 | 138 | 37 | 2401 | |
| Moslemi | Iran | Spinal | 30 | 30.17 | 114.99 | 34–39 | NR |
| 2007 | General | 30 | 28.40 | 115.72 | 34–39 | NR | |
| Dasgupta | India | Spinal | 41 | 23.11 | 129.98 | 38.49 | NR |
| 2011 | General | 41 | 21.9 | 130.69 | 37.67 | NR | |
| Kinzhalova | Russia | Spinal | 30 | 27.03 | 117.55 | 32.58 | 1658 |
| (Central) 2012 | General | 30 | 28.19 | 116.89 | 33.23 | 1680 | |
| Chattopadhyay | India | Spinal | 147 | 23.42 | NR | 35.8 | 2480 |
| 2014 | General | 27 | 22.78 | NR | 34.63 | 2280 | |
| Sivevski | Republic of | Spinal | 30 | 25 | 120.4 | 34.8 | 1400 |
| 2015 | Macedonia | General | 30 | 26 | 117.4 | 34.9 | 1500 |
GA gestational age, MAP mean artery pressure, NR no report.