Table 1.
The baseline characteristics of patients with CSP-I and CSP-II group
| Characteristics | CSP-I(n = 101) | CSP-II(n = 52) | p value |
|---|---|---|---|
| Age (year) | 31.56 ± 4.05 | 33.61 ± 4.46 | 0.231 |
| Gestational days (day) | 55.75 ± 6.13 | 57.85 ± 5.19 | 0.457 |
| Pretreatment HCG (mIU/ml)a | 37,438.10 (154.5-65,277) | 32,688.63 (71-54,962) | 0.692 |
| Gestational sac/mass diameter (mm) | 35.17 ± 7.05 | 36.12 ± 8.60 | 0.544 |
| Myometrium thickness (mm) | 3.93 ± 1.25 | 2.55 ± 1.46 | 0.032 |
| Fetal heart activity detected(n)b | 0.121 | ||
| Yes | 58 | 23 | |
| NO | 43 | 29 | |
Data are presented as mean ± SD, except for “Pretreatment HCG and fetal heart activity detected”
aPretreatment b-HCG listed as medians
bThe numbers for fetal heart activity detected are listed according to respective groups