Age (years)
|
0.992
|
≤30
|
5 (20)
|
7 (21.2)
| |
31-40
|
16 (64)
|
21 (63.6)
| |
>40
|
4 (16)
|
5 (15.2)
| |
Gravidity (times)
|
0.451
|
≤3
|
17 (68)
|
17 (51.5)
| |
4-6
|
7 (28)
|
14 (42.4)
| |
>6
|
1 (4)
|
2 (6.1)
| |
Parity (times)
|
0.841
|
1
|
24 (96)
|
32 (97)
| |
2
|
1 (4)
|
1 (3)
| |
Previous cesarean sections (times)
|
0.841
|
1
|
24 (96)
|
32 (97)
| |
2
|
1 (4)
|
1 (3)
| |
Years since the last cesarean section
|
0.170
|
≤2
|
3 (12)
|
8 (24.2)
| |
3-5
|
16 (64)
|
13 (39.4)
| |
>5
|
6 (24)
|
12 (36.4)
| |
Symptoms
|
0.316
|
Menolipsis only
|
17 (68)
|
17 (51.5)
| |
Menolipsis + vaginal bleeding
|
4 (16)
|
10 (30.3)
| |
Menolipsis + abdominal pain
|
1 (4)
|
0 (0)
| |
Menolipsis + vaginal bleeding + abdominal pain
|
3 (12)
|
6 (18.2)
| |
β-hCG level at hospitalization (IU/L)
|
0.543
|
≤10,000
|
15 (60)
|
15 (45.5)
| |
10,001-30000
|
7 (28)
|
13 (39.4)
| |
>30,000
|
3 (12)
|
5 (15.2)
| |
Diameter of the gestational sac (cm)
|
0.899
|
≤1
|
2 (8)
|
3 (9.1)
| |
2-3
|
14 (56)
|
20 (60.6)
| |
>3
|
9 (36)
|
10 (30.3)
| |
Minimal distance between conceptus and uterine serosa (cm)
|
0.278
|
≤0.5
|
5 (20)
|
4 (12.1)
| |
0.6-1
|
6 (24)
|
4 (12.1)
| |
>1
|
14 (56)
|
25 (75.8)
| |