Table 4.

Clinical characteristics of successful and failed management cases

		Successful	Failed	P
Number of subjects		37	8
Age, y		29.6 ± 4.5	30.4 ± 4.4	0.590
Prior caesarean deliveries	1	29 (78.4%)	5 (62.5%)	0.382
	> 1	8 (21.6%)	3 (37.5%)
Time since last caesarean delivery, mo	≤ 12	1 (2.7%)	0 (0%)	0.544
	13-120	32 (86.5%)	8 (100%)
	> 120	4 (10.8%)	0 (0%)
Gestational age, d		50.4 ± 3.0	51.9 ± 2.9	0.737
Symptoms	Asymptomatic	12 (32.4%)	0 (0%)	0.062
	Abdominal pain	16 (43.2%)	8 (100%)
	Vaginal bleeding	14 (37.8%)	3 (37.5%)
β-hCG level before treatment, mIU/mL	≤ 5000	0 (0%)	0 (0%)	0.178
	5000-50000	37 (100%)	7 (87.5%)
	> 50000	0 (0%)	1 (12.5%)
Diameter of the gestational sac, cm	≤ 5	32 (86.5%)	1 (12.5%)	0.000*
	> 5	5 (13.5%)	7 (87.5%)
Type of CSP	Type I	3 0 (81.1%)	2 (25.0%)	0.000*
	Type II	7 (18.9%)	6 (75.0%)
Treatment modalities	UAE with MTX	20 (54.1%)	4 (50%)	0.569
	Ultrasound-guided MTX	17 (45.9%)	4 (50%)
Fetal cardiac activity	No	28 (75.7%)	4 (50%)	0.202
	Yes	9 (24.3%)	4 (50%)
Received multiple doses of systemic MTX	No	28 (75.7%)	5 (62.5%)	0.661
	Yes	9 (24.3%)	3 (37.5%)

All data are presented as mean ± standard error of the mean, or number (percentage).