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Table 4 Diagnostic criteria used for the definition of severe maternal outcomes (maternal near miss cases or maternal deaths) in hypertensive disorders of pregnancy

From: The burden of maternal morbidity and mortality attributable to hypertensive disorders in pregnancy: a prospective cohort study from Uganda

Characteristics All participants Severe preeclampsia Eclampsia Chronic hypertension HELLP syndrome p-value
Cyanosis       <0.001
 Present 169 (41.9) 50 (22.9) 112 (65.1) 2 (50.0) 5 (55.5)  
 Absent 234 (58.1) 168 (77.1) 60 (34.9) 2 (50.0) 4 (44.4)
∞Abnormal respiration       <0.001
 Yes 186 (46.2) 61 (28.0) 115 (66.9) 3 (75.0) 7 (77.7)  
 No 217 (53.8) 157 (72.0) 57 (33.1) 1 (25.0) 2 (22.2
Oliguria       <0.001
 Yes 234 (58.1) 168 (77.1) 63 (36.6) 1 (25.0) 2 (22.2)  
 No 169 (41.9) 50 (22.9) 109 (63.4) 3 (75.0) 7 (77.7)
Loss of consciousness       <0.001
 Yes 110 (27.3) 31 (14.2) 75 (55.2) 0 (0.0) 4 (44.4)  
 No 293 (72.7) 187 (85.8) 97 (44.8) 4 (100.0) 5 (55.5)
Shock       <0.001
 Yes 170 (42.2) 54 (24.7) 105 (61.0) 3 (75.0) 8 (88.8)  
 No 233 (57.8) 162 (75.3) 67 (39.0) 1 (25.0) 1 (11.1)
Coagulopathy       <0.001
 Yes 136 (33.7) 36 (16.5) 91 (52.9) 2 (50.0) 7 (77.7)  
 No 267 (66.3) 182 (83.5) 81 (47.1) 2 (50.0) 2 (22.2
ΩOxygen       <0.001
 Yes 182 (45.2) 61 (28.0) 111 (64.5) 2 (50.0) 9 (100.0)  
 No 221 (54.8) 157 (72.0) 61 (35.5) 2 (50.0) 0 (0.0)
Thrombocytopenia       <0.001
 Yes 183 (45.4) 54 (24.7) 118 (68.6) 2 (50.0) 7 (77.7)  
 No 220 (54.6) 162 (75.3) 54 (31.4) 2 (50.0) 2 (22.2)
Elevated Serum Creatinine       <0.001
 Yes 152 (37.7) 46 (21.1) 98 (57.0) 2 (50.0) 6 (66.7)  
 No 251 (62.3) 172 (78.9) 74 (43.0) 2 (50.0) 3 (33.3)
Elevated serum Bilirubin       <0.001
 Yes 141 (35.0) 39 (17.9) 93 (54.1) 2 (50.0) 7 (77.7)  
 No 262 (65.0) 179 (82.1) 79 (45.9) 2 (50.0) 2 (22.2
Elevated serum Lactate       <0.001
 Yes 136 (33.7) 34 (15.6) 95 (55.2) 2 (50.0) 5 (55.5)  
 No 267 (66.3) 184 (84.4) 77 (44.8) 2 (50.0) 4 (44.4)
Use of Dialysis       <0.001
 Yes 33 (8.2) 7 (3.3) 23 (13.4) 1 (25.0) 2 (22.2)  
 No 370 (91.8) 211 (96.7) 149 (86.6) 3 (75.0) 7 (77.7)
Need for ICU or HDU admission       <0.001
 Yes 208 (51.6) 65 (29.8) 132 (76.7) 3 (75.0) 8 (88.8)  
 No 195 (48.4) 153 (70.2) 40 (23.3) 1 (25.0) 1 (11.1)
  1. ∞Breathing rate more than 40 or less than 6 per minute; ΩOxygen saturation less than 90 % for more than 60 min; ICU Intensive care unit, HDU High dependency obstetric unit