Table 1 Characteristics and results of women treated with direct hysteroscopic removal or hysteroscopy and vacuum suction
Characteristic | Hysteroscopic removal group | Hysteroscopic suction group | P-value | |
|---|---|---|---|---|
No. of patients | 28 | 17 | N/A | |
Age (years) | 34.5 ± 5.1 | 33.3 ± 5.7 | 0.453 | |
Time from previous CS (years) | 6.0 ± 4.7 | 6.4 ± 4.5 | 0.825 | |
Trial of labor (%) | 0.0 (0) | 11.8 (2) | 0.137 | |
Transferred from other hospitals (%) | 60.7 (17) | 47.1 (8) | 0.537 | |
Clinical symptoms | Vaginal bleeding (%) | 64.3 (18) | 76.5 (13) | 0.513 |
hypogastralgia (%) | 10.7 (3) | 5.9 (1) | 1.000 | |
asymptomatic (%) | 32.1 (9) | 11.8 (2) | 0.165 | |
No. of cesarean | 1.8 ± 0.5 | 1.6 ± 0.6 | 0.351 | |
Serum β-hCG levels (IU/L) | 34347.3 ± 43597.2 | 30412.4 ± 45249.4 | 0.774 | |
Gestational age (days) | 55.1 ± 16.3 | 50.5 ± 20.6 | 0.410 | |
Gestational sac diameter (mm) | 29.1 ± 14.6 | 23.1 ± 11.8 | 0.161 | |
Fetal cardiac activity (%) | 35.7 (10) | 29.4 (5) | 1.000 | |
Thickness of myometrium (mm) | 2.7 ± 1.5 | 2.3 ± 1.4 | 0.752 | |
Complication rate (%) | 10.7 (3/28) | 0.0 (0/10) | 0.552 | |
Additional treatment rate (%) | 3.6 (1/28) | 10.0 (1/10) | 0.462 | |
Amount of bleeding (ml) | 33.8 ± 29.0 | 9.9 ± 11.6 | < 0.001 | |
Operation time (minutes) | 61.4 ± 30.5 | 28.2 ± 8.5 | < 0.001 | |
Hospitalization cost (yuan) | 8744.0 ± 3148.7 | 5473.8 ± 1312.8 | < 0.001 | |
Duration of hospitalization (days) | 3.8 ± 2.2 | 2.4 ± 1.6 | 0.026 | |
Days to β-hCG resolution (days) | 26.6 ± 14.1 | 21.0 ± 8.0 | 0.098 | |