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Table 5 Prognostic factors for severe maternal outcomes in women with severe maternal outcomes (maternal deaths plus near misses)

From: Maternal near misses from two referral hospitals in Uganda: a prospective cohort study on incidence, determinants and prognostic factors

Characteristic Maternal deaths Maternal near miss morbidity Crude risk ratios and 95 % CI p-values Adjusted risk ratios and 95 % CI p-values
N (%) N (%)
a Referral       
 Yes 16 (12.3) 27 (28.4) 3.5   2.6  
 No 114 (87.7) 668 (71.6) (1.8–6.6) <0.001 (1.2–5.6) 0.013
Admission to the ICU or HDU       0.018
 Yes 71 (54.6) 464 (66.8) 1.3 0.008 1.9
 No 59 (45.4) 231 (33.2) (1.1–2.4)   (1.1–3.1)
CPR       <0.001
 Yes 34 (26.2) 76 (10.9) 2.9 <0.001 6.1
 No 96 (73.8) 619 (89.1) (1.8–4.6)   (3.2–11.7)
Transfusion more than 4 units       0.013
 Yes 40 (30.8) 225 (32.3) 1.9   1.9
 No 90 (69.2) 470 (67.7) (1.3–2.7) 0.002 (1.1–3.1)
Cardiovascular collapse    2.9    <0.001
 Yes 43(33.1) 121 (17.4) (1.8–4.7) <0.001 4.9
 No 87 (66.9) 574 (82.6)    (2.5–9.5)
Hypotension       <0.001
 Yes 72 (55.4) 531 (76.0) 2.6 <0.001 2.6
 No 58 (44.6) 164 (24.0) (1.8–3.8)   (1.6–4.4)
Intubation       <0.001
 Yes 31 (31.3) 95 (13.7) 5.0   2.6
 No 99 (68.7) 600 (86.3) (3.4–7.6) <0.001 (1.2–5.7)
Elevated serum lactate       <0.001
 Yes 40 (30.8) 229 (32.9) 1.5 0.078 4.5
 No 90 (69.2) 466 (67.1) (0.9–2.4)   (2.3–8.7)
βGravidity       0.042
 Gravid 1–4 100 (76.9) 541 (77.8) 1.2 0.046 1.1
 Gravida 5 or more 30 (23.1) 154 (22.2) (1.1–1.4)   (1.0–1.2)
Thrombocytopenia       0.337
 Yes 60 (46.1) 373 (53.7) 1.4 0.116 1.4
 No 70 (53.9) 322 (46.3) (0.9–1.9)   (0.7–3.20
  1. HDU high dependency unit, ICU intensive care unit, RR relative risk, CI confidence intervals, CPR cardiopulmonary resuscitation; a Referral to another unit outside the obstetric unit; β Comparing gravida 5 or more versus gravida 4 and less; ∞ 68 women died within the first 7 days after admission, and therefore not included in the analysis