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Characteristic
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Moderate group (n = 83)
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Severe-to-critical group (n = 302)
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Matched control group 1:4 (n = 1540)
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P1 value1-2
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P2 value1-3
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P3 value2-3
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|---|
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E2 level on hCG trigger day (pg/ml)
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4739.0 ± 1754.6
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4415.2 ± 1935.7
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/
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0.171
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/
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/
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Hospital days (days)
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9.3 ± 4.7
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13.8 ± 7.2
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/
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< 0.001
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/
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/
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DT (days)
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14.0 + 3.3
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13.1 + 4.7
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/
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0.136
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/
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/
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HCT (%)
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42.0 ± 4.1
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44.9 ± 5.7
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/
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< 0.001
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/
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/
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WBC (× 109)
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14.0 ± 4.4
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15.4 ± 4.8
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/
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0.012
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/
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/
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Albumin (g/L)
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37.0 ± 4.2
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36.7 ± 5.0
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/
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0.574
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/
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/
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Surgical treatment, no. (%)
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14/83 (16.9)
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133/303 (44.0)
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/
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< 0.001
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/
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/
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Miscarriages, no. (%)
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9/83 (10.8)
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38/302 (12.6)
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209/1540 (13.6)
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0.668
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0.478
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0.645
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Live birth delivery rate, no.(%)
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74/83 (89.2)
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264/302 (87.4)
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1331/1540 (86.4)
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0.668
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0.478
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0.645
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Obstetric complications
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6/83 (7.2)
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21/302 (7.0)
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49/1540 (3.2)
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0.931
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0.058
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0.002
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Neonatal complications
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6/108 (5.6)
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12/395 (3.0)
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40/1946 (2.1)
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0.240
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0.031
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0.227
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Premature delivery
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15/74 (20.3)
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52/264 (19.7)
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262/1331 (19.7)
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0.913
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0.902
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0.996
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Average neonatal weight (g)
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2698.8 ± 666.2
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2828.6 ± 563.2
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2853.6 ± 659.6
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0.042
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0.018
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0.436
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Singletons
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41 /74 (55.4)
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133/264 (44.0)
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721/1331 (54.2)
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0.444
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0.835
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0.259
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Multiples
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33/74 (44.6)
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131/264 (49.6)
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610/1331 (45.8)
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0.444
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0.835
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0.259
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Duration of gestation (weeks)
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37.8 ± 2.8
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38.1 ± 2.0
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38.7 ± 2.1
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0.435
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< 0.001
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0.001
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LBW, no.(%)
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30/108 (27.8)
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98/395 (24.8)
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528/1946 (27.1)
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0.530
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0.883
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0.342
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- Note: Data are n (%) unless otherwise indicated. Plus-minus values are the mean ± SD; SD: Standard deviation. Statistically significant at P < 0.05
- Statistical analysis of baseline data in the above groups revealed no difference, and the results are not shown
- P1 value was Moderate group vs. Severe-to-critical group,
- DT Days after transplantation, OHSS patients were hospitalized for several days after transplantation
- HCT Red blood cell-specific volume. Normal range of values: 37–43%; pregnant: <35%
- WBC White blood cell count. Normal range of values: 15–22 × 109/l, pregnant: 6–20 × 109/l
