21 December 2024 : Clinical Research
Evaluation of Pregnancy Risks in Women with Subchorionic Hematoma Using Machine Learning Models
Lan Wang
123BCDEF, Aiping Qin 2A*, Yihua Yang2C, Yufu Jin2B, Qiuyan Huang2B, Xinyue Huang2B, Yu Feng2B, Ting Liang4B
DOI: 10.12659/MSM.945472
Med Sci Monit 2024; 30:e945472
Table 2 Clinical indices of SCH women with different delivery outcome divided into training and test dataset.
| Training dataset | Test dataset | ||
|---|---|---|---|
| n | 174 | 117 | |
| Age | 32.9 (4.6) | 32.2 (4.4) | |
| Spouse age | 34.9 (5.2) | 33.7 (5.1) | |
| Previous pregnancy times | 2.0 (1.0) | 2.0 (1.0) | |
| Live birth times | 0.3 (0.4) | 0.2 (0.5) | |
| Endometrial injury history | No | 103 (59.2) | 64 (54.7%) |
| Endocervical curettage | 0 (0.0%) | 1 (0.9%) | |
| Uterine curettage | 35 (20.1%) | 32 (27.4%) | |
| Intrauterine device | 7 (4.0%) | 2 (1.7%) | |
| Hysteroscope | 21 (12.1%) | 13 (11.1%) | |
| Cesarean section | 6 (3.4%) | 4 (3.4%) | |
| Myomectomy | 2 (1.1%) | 1 (0.9%) | |
| Number of spontaneous abortions | 0.1 (0.4) | 0.2 (0.4) | |
| BMI (kg/m) | 21.4 (2.7) | 21.2 (2.4) | |
| SBP (mmHg) | 113.3 (7.1) | 112.3 (6.6) | |
| DBP (mmHg) | 73.7 (6.8) | 72.6 (5.7) | |
| PT (s) | 10.8 (0.7) | 10.9 (0.7) | |
| APTT (s) | 32.8 (3.3) | 33.5 (3.3) | |
| TT (s) | 11.1 (0.9) | 11.2 (1.0) | |
| Fib (g/L) | 3.5 (0.7) | 3.4 (0.6) | |
| CA125 (U/mL) | 25.9 (20.4) | 26.2 (34.5) | |
| SCH diagnosis time (d) | 42.6 (94.8) | 47.4 (116.1) | |
| Gestational sac maximum diameter (mm) | 24.0 (10.2) | 25.4 (10.0) | |
| Hematoma maximum diameter (mm) | 20.7 (8.8) | 22.9 (24.1) | |
| gsmd_hmd_ratio | 1.3 (0.8) | 1.5 (0.8) | |
| Hematoma duration (d) | 59.8 (17.3) | 56.6 (17.1) | |
| The first positive HCG time (d) | 30.92 (1.94) | 31.20 (1.92) | |
| The first positive HCG level (IU/L) | 575.2 (708.8) | 529.7 (609.5) | |
| Delivery outcome | Live birth | 125 (71.8%) | 87 (74.4%) |
| Stillbirth/miscarriage | 49 (28.2%) | 30 (25.6%) |