Table 3.
Systematic review on the change in the SI rate from pre-pregnancy to pregnancy.
| First Author | Reference | Year | Country | Number | Increased (%) | Decreased (%) | No change (%) | NA (%) |
|---|---|---|---|---|---|---|---|---|
| Adeyemi AB | [40] | 2005 | Nigelia | 134 | 16.5 | 37.4 | 46.1 | 0 |
| Iliyasu Z | [34] | 2016 | Nigelia | 336 | 16.3 | 55.4 | 23.8 | 4.5 |
| Guendler JA | [41] | 2019 | Brasil | 262 | 7.6 | 64.9 | 27.5 | 0 |
| Bartellas E | [33] | 2000 | Canada | 139 | 5.8 | 71.2 | 23 | 0 |
| Radoš SN | [42] | 2014 | Croatia | 150 | 1.4 | 79.3 | 19.3 | 0 |
| Branecka-Woźniak D | [43] | 2020 | Poland | 181 | 10.5 | 89.5 | 0 | 0 |
| Fok WY | [37] | 2005 | China | 298 | 1.3 | 91.6 | 7 | 0 |
| Naim M | [35] | 2000 | Pakistan | 150 | 0.7 | 99.3 | 0 | 0 |
| Yoshie Y | This study | Japan | 182 | 0.5 | 85.7 | 6.6 | 7.1 | |