|
Variables
|
Result
|
Prevalence rate ratio
|
95% CI
|
P-value*
|
|---|
|
Incomplete
|
Complete
|
|---|
|
GA
| | | | |
0.012
|
|
> 20 weeks (%)
|
14 (11.1)
|
112 (88.9)
|
1.2
|
1.031–1.294
|
|
< 20 weeks (%)
|
29 (23)
|
97 (77)
|
|
BMI
| | | | | |
|
< 25 kg/m2 (%)
|
22 (14.2)
|
133 (85.8)
|
1.1
|
0.969–1.238
|
0.126
|
|
> 25 kg/m2 (%)
|
21 (21.6)
|
6 (78.4)
|
|
History of abdominal scar
| | |
1.1
|
0.974–1.227
|
0.190
|
|
Yes (%)
|
6 (11.1)
|
48 (88.9)
|
|
No (%)
|
37 (18.7)
|
161 (81.3)
|
|
Myoma uteri
| | |
1.2
|
1.143–1.282
|
0.306
|
|
Yes (%)
|
0
|
5 (100)
|
|
No (%)
|
43 (17.4)
|
204 (82.6)
|
|
Placenta
| | |
1.0
|
0.920–1.152
|
0.609
|
|
Anterior (%)
|
21 (15.9)
|
111 (84.1)
|
|
Posterior (%)
|
22 (18.3)
|
98 (81.7)
|
|
Presentation
| | |
1.0
|
0.912–1.144
|
0.716
|
|
Non-cephalic (%)
|
16 (16)
|
84 (84)
|
|
Cephalic (%)
|
27 (17.8)
|
125 (82.2)
|
|
Sonographer
| | | | | |
|
Staff (%)
|
10 (26.3)
|
28 (73.7)
|
0.871
|
0.714-1.062
|
0.100
|
|
Resident and fellow (%)
|
33 (15.4)
|
181 (84.6)
|
- *The univariate, co-linearity and multiple logistic regression analysis
