Table 2. Incidence and causes of maternal near miss in middle-income countries.
Author | Setting | No. of live births | No. of cases of maternal near miss | Maternal near misses per 1000 live birthsa | Most frequent organ dysfunction | Most frequent cause of maternal near missb | No. of maternal deaths | Maternal deaths per 100 000 live birthsc | Ratio of maternal near miss to maternal deathd | Mortality index, %e |
---|---|---|---|---|---|---|---|---|---|---|
Lower-middle-income countries | ||||||||||
Ps et al., 201353 | India | 7 330 | 131 | 17.9 | NR | Haemorrhage | 23 | 313 | 5.6 | 14.9 |
Tunçalp et al., 201336 | Ghana | 3 206 | 94 | 28.6 | Coagulation or haematological dysfunction | Severe postpartum haemorrhage | 37 | 1 154 | 2.5 | 28.2 |
Kaur et al., 201443 | India | 6 008 | 140 | 23.3 | NR | Hypertensive disorders | 16 | 266 | 8.8 | 10 |
Kushwah et al., 201448 | India | 5 219 | 63 | 6.8 | NR | Hypertensive disorders | 47 | 901f | 1.3 | 42.9 |
Luexay et al., 201461 | Lao People's Democratic Republic | 1 123 | 11 | 9.8 | Respiratory | Haemorrhage | 2 | 179 | 5.5 | 15.3 |
Nacharajuh et al., 201455 | India | 2 385 | 22 | 9.2 | NR | Pre-eclampsia | 2 | 84f | 11.0 | 8.3 |
Pandey et al., 201442 | India | 5 273 | 633 | 120.0 | NR | Haemorrhage | 247 | 45 | 2.6 | 27.2f |
Bakshi et al., 201531 | India | 688 | 51 | 74.1f | NR | Sepsis | 10 | 1 | 5.1 | 16.4 |
Bashour et al., 201583 | Egypt | 2641 | 32 | 12.1 | Coagulation or haematological dysfunction | Haemorrhage | 3 | 114 | 11.0 | 8.6 |
Mazhar et al., 201566 | Pakistan | 12 729 | 94 | 7.0 | Cardiovascular | Postpartum haemorrhageg | 38 | 299 | 2.5 | 28.7 |
Sangeeta et al., 201527 | India | 6 767 | 27 | 4.0 | Coagulation or haematological dysfunction | Haemorrhage | 13 | 188f | 3.4 | 22.8 |
Abha et al., 201649 | India | 13 895 | 211 | 15.2 | Coagulation or haematological dysfunction | Hypertensive disorders | 102 | 734f | 2.1 | 32.9 |
Ansari et al., 201665 | Pakistan | 1 035 | 76 | 73.4f | Cardiovascular | NR | 7 | 676 | 10.9f | 8.4f |
De Mucio et al., 201630 | Honduras | 613 | 10 | 16.3f | NR | NR | 1 | 163 | 10.0 | 9.1f |
De Mucio et al., 201630 | Nicaragua | 477 | 4 | 8.4f | NR | NR | 0 | 0 | 0 | 0 |
Kulkarni et al., 201650 | India | 14 508 | 525 | 36.2 | Coagulation or haematological dysfunction | Hypertensive disorders | NR | 648f | 5.6 | 9.6 |
Oladapo et al., 201662 | Nigeria | 91 724 | 1451 | 15.8 | NR | Obstetric haemorrhage | 998 | 1 088 | 2.5f | 40.8 |
Parmar et al., 201635 | India | 1 929 | 40 | 20.7 | NR | NR | 2 | 933 | 2.2 | 31.0 |
Rathod et al., 201651 | India | 22 092 | 167 | 7.6 | Coagulation or haematological dysfunction | Haemorrhage | 66 | 298 | 3.4 | 29.7 |
Ray et al., 201633 | India | 4 038 | 218 | 54.0 | NR | Hypertensive disorders | 17 | 421 | 13.0 | 7.17 |
Tanimia et al., 201640 | Papua New Guinea | 13 338 | 121 | 9.1 | NR | Obstetric haemorrhage | 9 | 67 | 13.5 | 6.8 |
Bolnga et al., 201768 | Papua New Guinea | 6 019 | 153 | 25.4 | NR | Postpartum haemorrhage | 10 | 166 | 15.3 | 6.8 |
Chandak & Kedar, 201752 | India | 12 757 | 137 | 10.7 | Cardiovascular | Eclampsia | NR | 243f | 10.5 | 18.5f |
Mbachu et al., 201728 | Nigeria | 262 | 52 | 198.0 | NR | Hypertensive disorders | 5 | 1 908 | 11.4 | 8.8 |
Tallapureddy et al., 201756 | India | 3 784 | 32 | 8.5 | Coagulation or haematological dysfunction | Haemorrhage | 6 | 159f | 5.3 | 15.8 |
Oppong et al., 201947 | Ghana | 8 433 | 288 | 34.2 | Cardiovascular | Pre-eclampsia and eclampsiah | 62 | 735 | 4.6f | 21.7f |
Panda et al., 201832 | India | 1 349 | 89 | 66.0 | NR | Severe pre-eclampsia | 8 | 593 | 11.1 | 8.2 |
Reena & Radha, 201854 | India | 3 451 | 32 | 9.3 | Coagulation or haematological dysfunction | Severe pre-eclampsia | 5 | 145 | 6.4 | 13.5f |
Chaudhuri & Nath, 201957 | India | 4 081 | 175 | 43.0 | Vascular dysfunction | Hypertensive disorder (eclampsia) | 23 | 564 | 7.7 | 11.5 |
Chhabra et al., 201958 | India | 38 111 | 261 | 6.9 | Coagulation | Hypertensive disorder | 166 | 436 | 1.6 | 23 |
El Agwany, 201946 | Egypt | 28 877 | 170 | 5.9 | Coagulation | Haemorrhage | 14 | 50f | 12.2 | 7.5 |
Gabbur et al., 201959 | India | 6 053i | 100 | 16.4 | NR | Postpartum haemorrhage | 13 | 215f | 7.7 | 88.5f |
Herklots et al., 201969 | United Republic of Tanzania | 22 011 | 256 | 11.6 | Coagulation or haematological dysfunction | NR | 79 | 359 | 3.2 | 24.0 |
Jayaratnam et al., 201971 | Timor-Leste | 4 529 | 39 | 8.0 | NR | Eclampsia or postpartum haemorrhage | 30 | 662 | 1.3 | 43.0 |
Mansuri & Mall, 201960 | India | 21 491 | 247 | 11.5 | NR | Eclampsia or pre-eclampsia | 79 | 367 | 3.1 | 24.2 |
Karim et al., 202067 | Pakistan | 3 360 | 54 | 16.0 | NR | Adherent placenta | 8 | 238 | 6.8 | 12.9 |
Lilungulu et al., 202070 | United Republic of Tanzania | 3 480 | 124 | 36.0 | NR | Haemorrhage | 16 | 460 | 7.8 | 11.4 |
Owolabi et al., 202022 | Kenya | 36 162 | 260 | 7.2 | NR | Postpartum haemorrhage | 13 | 36 | 20.0 | 4.8 |
Samuels & Ocheke, 202064 | Nigeria | 2 357 | 86 | 36.5f | NR | Hypertensive disorders | 19 | 806 | 4.5 | 81.9f |
Ugwu et al., 202063 | Nigeria | 2 236k | 60 | 26.8f | Cardiovascular | Severe haemorrhage | 28 | 1251 | 2.1 | 31.8 |
Upper-middle-income countries | ||||||||||
Cecatti et al., 201124 | Brazil | 14 418 | 194 | 13.5 | NR | NR | 18 | 125 | 10.7 | 8.5 |
Morse et al., 201123 | Brazil | 1 069 | 10 | 9.4 | NR | Severe pre-eclampsiag | 3 | 280 | 3.3 | 23 |
Lotufo et al., 201225 | Brazil | 9 683 | 43 | 4.4 | NR | Haemorrhage | 5 | 52 | 8.6 | 10.4 |
Jabir et al., 201382 | Iraq | 25 472 | 129 | 5.1 | Cardiovascular | Obstetric haemorrhage | 16 | 63 | 9.0 | 11.0 |
Shen et al., 201326 | China | 18 104 | 72 | 4.0 | NR | Postpartum haemorrhage | 3 | 16 | 23.0 | 4.2 |
Dias et al., 201472 | Brazil | 23 894 | 243 | 10.2 | NR | NR | 7 | 29 | 34.7 | 2.8 |
Galvão et al., 201474 | Brazil | 16 243 | 76 | 4.7 | NR | Hypertensive disordersj | 17 | 105 | 4.5 | 18 |
Bashour et al., 201583 | Lebanon | 1 171 | 5 | 4.3 | Hepatic dysfunction | Multiple causesk | 0 | 0 | 0 | NR |
Madeiro et al., 201575 | Brazil | 5 841 | 56 | 9.6 | NR | Hypertensive disorders | 10 | 171 | 5.6 | 15.2 |
Naderi et al., 201580 | Islamic Republic of Iran | 19 908 | 501 | 25.2 | NR | Severe pre-eclampsia | 2 | 10f | 250.0 | NR |
Oliveira & Da Costa, 201576 | Brazil | 19 940 | 255 | 12.8 | NR | Hypertensive disorders | NR | 280f | 4.5 | 18 |
Soma-Pillay et al., 201537 | South Africa | 26 614i | 114 | 4.3f | Vascular | Obstetric haemorrhage | NR | 71f | 7.1f | 14 |
Cecatti et al., 201673 | Brazil | 82 144 | 770 | 9.37 | NR | Hypertensive disorders | 140 | 170 | 5.5 | 15.4 |
De Mucio et al., 201630 | Colombia | 334 | 3 | 9.0f | NR | NR | 0 | 0 | 0 | 0 |
De Mucio et al., 201630 | Dominican Republic | 133 | 3 | 22.6f | NR | NR | 0 | 0 | 0 | 0 |
De Mucio et al., 201630 | Ecuador | 228 | 2 | 8.9f | NR | NR | 0 | 0 | 0 | 0 |
De Mucio et al., 201630 | Paraguay | 334 | 2 | 6.0f | NR | NR | 1 | 299f | 2.0f | 33.3f |
De Mucio et al., 201630 | Peru | 315 | 11 | 35.0f | NR | NR | 0 | 0 | 0 | 0 |
Ghazivakili et al., 201681 | Islamic Republic of Iran | 38 663 | 192 | 5.0 | Cardiovascular | Severe pre-eclampsia | NR | 18f | 2.4 | 3.5 |
Mohammadi et al., 201639 | Islamic Republic of Iran | 12 965 | 82 | 6.3 | Coagulation or haematological dysfunction | Severe postpartum haemorrhage | NR | 93f | 6.9f | 13 |
Norhayati et al., 201629 | Malaysia | 21 579 | 47 | 2.2 | Coagulation or haematological dysfunction | Postpartum haemorrhage | NR | 9f | 23.5 | 4.1 |
Akrawi et al., 201741 | Iraq | 17 353 | 142 | 8.2f | Cardiovascular | Hypertensive disorders | 11 | 63 | 12.9 | 7.2 |
Iwuh et al., 201844 | South Africa | 19 222 | 112 | 5.8 | NR | Hypertensive disorders | 13 | 68 | 8.6 | 10.4 |
Oliveira Neto et al., 201877 | Brazil | 8 065 | 60 | 7.4 | Hepatic dysfunction | Pre-eclampsia | NR | 62f | 13.0 | 7.7f |
De Lima et al., 201934 | Brazil | 1 002 | 55 | 54.8 | Respiratory | Hypertension | 1 | 99 | 11.0 | 8.3 |
Mu et al., 201979 | China | 9 051 638l | 37 060 | 4.1f | Coagulation dysfunction | Hypertensive disorders | 380 | 4.1f | 97.5 | NR |
Heemelaar et al., 202038 | Namibia | 37 106 | 298 | 8.0 | NR | Obstetric haemorrhage | 23 | 62 | 13.0 | 92.8f |
Ma et al., 202078 | China | 542 109 | 3208 | 5.9 | Coagulation or haematological dysfunction | Postpartum haemorrhage | 34 | 6.3 | 94.4f | 1.1 |
Verschueren et al., 202045 | Suriname | 9 114 | 71 | 7.8 | Coagulation or haematological dysfunction | Hypertensive disorders | 10 | 110 | 7.1f | 12.0 |
NR: not reported.
a Maternal near miss ratio.
b Most frequent causes of maternal near miss; terminology as used in the original article.
c Maternal mortality ratio.
d Ratio of number of maternal misses to the number of maternal deaths.
e Mortality index is: [number of maternal deaths / (number of cases of maternal near miss + number of maternal deaths) × 100].
f We calculated the value shown using formulae shown in the main text.
g Severe maternal outcome.
h Potentially life-threatening conditions.
i Per number of births.
j Severe acute maternal morbidity.
k Multiple causes: placenta praevia, placenta accreta, placenta increta, placenta percreta, hepatic disease.
l Number of pregnant women.