Comparison of Placenta Previa and Placenta Accreta Spectrum Disorder Following Previous Cesarean Section between Women with a Short and Normal Interpregnancy Interval
Table 5
The association between clinical factors and the presence of placenta previa using ultrasound among women with a short interpregnancy interval (n = 124).
Variables
Placenta previa by ultrasound
Test stat
value
Present
Absent
Parity
U = 518.00
0.34
Mean (SD)
2.55 (1.44)
2.09 (0.94)
95% CI
1.58–3.51
1.91–2.26
Median
3.00
2.00
Min-Max
1.00–5.00
1.00–4.00
Number of C/S
U = 378.50
0.02
Mean (SD)
2.18 (0.08)
1.45 (0.65)
95% CI
1.46–2.91
1.33–1.57
Median
2.00
1.00
Min-Max
1.00–4.00
1.00–4.00
Mean gestational age (weeks)
U = 512.00
0.34
Mean (SD)
17.55 (6.02)
19.35 (5.76)
95% CI
13.50–21.59
18.27–20.42
Median
18.00
18.00
Min-Max
7.00–28.00
9.00–32.00
Mean systolic BP (mmHg)
U = 449.50
0.12
Mean (SD)
115.45 (16.35)
107.74 (11.32)
95% CI
104.47–126.44
105.63–109.85
Median
110.00
110.00
Min-Max
90.00–140.00
80.00–140.00
Mean diastolic BP (mmHg)
U = 579.00
0.69
Mean (SD)
67.73 (9.32)
67.26 (7.71)
95% CI
81.47–73.99
65.82–68.69
Median
70.00
70.00
Min-Max
50.00–80.00
50.00–90.00
Body mass index
χ2 = 0.56
0.91
Underweight (n=1)
0 (0.0%)
1 (0100.0%)
Normal (n=3)
0 (0.0%)
3 (100.0%)
Overweight (n=27)
3 (11.1%)
24 (88.9%)
Obese (n=92)
8 (8.7%)
84 (91.3%)
NB: C/S = cesarean section; IPI = interpregnancy interval, SD = standard deviation, CI = confidence interval, U = Mann–Whitney U test.