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Alpha-index analysis between the missed abortion (MA) and health control (EP) groups (u: index; n = mean ± SE)
| Indexes | EP | MA | p value |
|---|---|---|---|
| Shannon | 3.639 ± 0.256 | 3.816 ± 0.218 | 0.6008 |
| Simpson | 0.799 ± 0.0467 | 0.8429 ± 0.0293 | 0.4203 |
| ACE | 110.6143 ± 3.6937 | 104.1973 ± 6.839 | 0.4348 |
| Chaol | 106.4329 ± 3.3567 | 103.7741 ± 7.878 | 0.7699 |
| PD whole tree | 7.9487 ± 0.2365 | 7.614 ± 0.4446 | 0.5289 |
