| Amniocentesis |
Induced LPD |
Spontaneous LPD |
Term deliveries |
Induced LPD vs Term deliveries |
Spontaneous LPD vs Term deliveries |
| No. |
(%) |
No. |
(%) |
No. |
(%) |
OR |
(95% CI)§ |
OR |
(95% CI)§ |
| No |
105 |
82.7 |
142 |
79.8 |
211 |
78.4 |
1.00 |
|
1.00 |
|
| Yes |
22 |
17.3 |
36 |
20.2 |
58 |
21.6 |
0.84 |
0.44-1.61 |
1.19 |
0.69-2.04 |
| Chorionic villus sampling |
|
| No |
121 |
95.3 |
167 |
93.8 |
255 |
94.8 |
1.00 |
|
1.00 |
|
| Yes |
6 |
4.7 |
11 |
6.2 |
14 |
5.2 |
0.94 |
0.32-2.79 |
1.10 |
0.44-2.75 |
| Hypertension* |
|
| No |
89 |
70.1 |
169 |
94.9 |
256 |
95.2 |
1.00 |
|
1.00 |
|
| Yes |
38 |
29.9 |
9 |
5.1 |
13 |
4.8 |
6.70 |
3.25-13.82 |
0.90 |
0.35-2. |
| Diabetes** |
|
| No |
112 |
88.2 |
166 |
93.3 |
246 |
91.4 |
1.00 |
|
1.00 |
|
| Yes |
15 |
11.8 |
12 |
6.7 |
23 |
8.6 |
0.78 |
0.34-1.77 |
0.59 |
0.16-1.33 |
| Vaginal culture |
|
| Negative |
43 |
35.5 |
61 |
36.3 |
175 |
66.5 |
1.00 |
|
1.00 |
|
| Positive |
12 |
9.9 |
23 |
13.7 |
23 |
8.7 |
2.57 |
1.12-5.91 |
3.25 |
1.65-6.37 |
| Not done |
66 |
54.5 |
84 |
50.0 |
65 |
24.7 |
3.84 |
2.28-6.46 |
3.82 |
2.42-6.02 |
| Urino culture |
|
| Negative |
44 |
34.6 |
43 |
24.2 |
94 |
34.9 |
1.00 |
|
1.00 |
|
| Positive |
11 |
8.7 |
7 |
3.9 |
11 |
4.1 |
1.51 |
0.51-4.44 |
1.32 |
0.45-3.91 |
| Not done |
72 |
56.7 |
128 |
71.9 |
164 |
61.0 |
0.61 |
0.35-1.07 |
0.92 |
0.56-1.52 |
*chronic hypertension was diagnosed in 7 cases and 4 controls
**pre pregnancy diabetes was diagnosed in 6 cases and 2 controls
§multivariate estimates including terms for age, parity, history of LPB, hypertension, culture for vaginal infection in pregnancy |
