Table 5.
Comparison between NM cases and controls in the reference maternity wards of Sergipe (2011/2012)
| Variables | NM n % or mean ± SD | Controls n % or mean ± SD | p value | Odds ratio | p value multivariate | ||
|---|---|---|---|---|---|---|---|
|
Status
|
|
|
|
|
|
|
|
| Pregnant |
7 |
10 |
36 |
23.8 |
0.016 |
2.82 (1.19-6.70) |
0.022 |
| Puerperium/postoperative¥ |
63 |
90 |
115 |
76.2 |
|||
|
Marital
status
|
|
|
|
|
|
|
|
| Not married |
14 |
21.5 |
19 |
12.6 |
0.093 |
1.90 (0.89- 4.09) |
0.125 |
| Married |
51 |
78.5 |
132 |
87.4 |
|||
|
Years of education |
|
|
|
|
|
|
|
| Until 8 years |
37 |
58.7 |
76 |
51.4 |
0.325 |
1.35 (0.74-2.45) |
|
| ≥ 8 years |
26 |
41.3 |
72 |
48.6 |
|||
|
Age |
|
|
|
|
|
|
|
| Until 35 years |
51 |
73.9 |
131 |
86.8 |
0.019 |
2.31 (1.13-4.72) |
0.140 |
| ≥ 35 years |
18 |
26.1 |
20 |
13.2 |
|||
|
Previous abortion |
|
|
|
|
|
|
|
| Yes |
25 |
37.9 |
28 |
18.5 |
0.002 |
2.68 (1.41-5.10) |
<0.001 |
| No |
41 |
62.1 |
123 |
81.5 |
|||
|
Personal history of risk |
|
|
|
|
|
|
|
| Yes |
22 |
34.4 |
33 |
22 |
0.058 |
1.86 (0.98-3.54) |
0.171 |
| No |
42 |
65.6 |
117 |
78 |
|||
|
Conducting prenatal |
|
|
|
|
|
|
|
| No |
11 |
17.2 |
7 |
4.7 |
0.003* |
4.24 (1.56-11.51) |
0.080 |
| Yes |
53 |
82.8 |
143 |
95.3 |
|||
|
Gestational antecedent (≥G2)
§
|
|
|
|
|
|
|
|
| Caesarean |
47 |
71.2 |
85 |
56.3 |
0.038 |
1.92 (1.03-3.58) |
|
| Vaginal |
19 |
28.8 |
66 |
43.7 |
|||
|
Current type of delivery |
|
|
|
|
|
|
|
| Caesarean |
38 |
74.5 |
62 |
55.4 |
0.020 |
2.36 (1.13-4.90) |
|
| Vaginal |
13 |
25.5 |
50 |
44.6 |
|||
|
Previous caesarean section |
|
|
|
|
|
|
|
| Yes |
38 |
56.7 |
67 |
55.6 |
0.092 |
1.64 (1.41-5.40) |
0.039 |
| No |
29 |
43.3 |
84 |
44.4 |
|||
|
Level of counsciousness on admission |
|
|
|
|
|
|
|
| Not conscious |
16 |
23.5 |
3 |
2 |
<0.001* |
15.18 (4.25-54.21) |
<0.001 |
| Conscious | 52 | 76.5 | 148 | 98 | |||
¥: postoperative of laparotomy or curettage after abortion or delivery; The n value for each variable may differ because some cases and controls were still pregnant or the avaiable data were collected by information from medical records or the patient did not know the answer. *Fisher’s exact test. The variables presented in the table were chosen by statistical significance or clinical relevance. §Just for patients in the second gestation or more.