- Group 1: TTTS with sIUGR, group 2: TTTS without sIUGR, group 3: No TTTS twin with sIUGR, group 4: No TTTS twin without sIUGR.
- p: p value among the four groups of twin pregnancies generate by one-way ANOVA test or Kruskal-Wallis Test
- P1: P value between TTTS with sIUGR (group 1) and No TTTS with sIUGR (group 3)
- P2: P value between TTTS without sIUGR (group 2) and No TTTS without sIUGR (group 4)
- P3: P value between twin pregnancies with sIUGR (groups 1 + 3) and without sIUGR (groups 2 + 4)
- Data are presented as Mean ± SD except the number of preeclampsia and gestational diabetes mellitus
- *one-way ANOVA test,
- &Kruskal-Wallis Test
- ※Mann-Whitney U test,
- #Student t test
- §Chi-square test