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Table 4 Clinical and obstetric profile of distribution of cases of Severe Acute Maternal Morbidity/Near Miss (SAMM/NM) and controls in the reference maternity wards

From: The prevalence of severe maternal morbidity and near miss and associated factors in Sergipe, Northeast Brazil

Clinical obstetric variables SAMM (n = 1102) n % or mean ± SD NM (n = 77) n % or mean ± SD controls (n = 151) n % or mean ± SD p value
Gestational age at admission 32.9 ± 9.9   31.9 ± 9.9   35.2 ± 5.9   0.016
Status        §0.001
Pregnant 119 12 7 10 36 23.8
Puerperium 731 74.1 50 71.4 112 74.2
Postoperative¥ 137 13.9 13 18.6 3 2
B.M.I.        0.086
≥26,9 291 32.2 16 25.4 36 24
Until 26,9 614 67.8 47 74.6 114 76
Antenatal care        0.013
No 102 11 11 17.2 7 4.7
Yes 822 89 53 82.8 143 95.3
Previous caesarean        0.004
Yes 562 58.9 38 56.7 67 44.4
No 392 41.1 29 43.3 84 55.6
Previous abortion        0.001
Yes 316 33.1 25 37.9 28 18.5
No 638 66.9 41 62.1 123 81.5
Current type of delivery        0.001
Caesarean 545 72.8 38 74.5 62 55.4
Vaginal 204 27.2 13 25.5 50 44.6
Systolic blood pressure 147.9 ± 3.9   128.8 ± 27.7   122.5 ± 17.8   0.001
Diastolic blood pressure 96.5 ± 21.4   83.0 ± 21.7   78.9 ± 12.7   0.001
Level of consciousness on admission        §0.001
Not conscious 76 7.9 16 23.5 3 2
Conscious 882 92.1 52 76.5 148 98  
  1. ¥: 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 available data were collected by information from medical records or the patient did not know the answer. Other variables were tested, but they were not statistically significant. § Fisher exact test. The variables presented in the table were chosen by statistical significance or clinical relevance.