TABLE 1.
Severe maternal morbidity indicators identified in unmatched cohort of women with a documented delivery from a large healthcare system's electronic health record from March 1, 2016, to August 30, 2019 (n = 10,125)
| All women with SMM by SMM type n (%) |
Only women with SMM by SMM type n (%) |
All women with an SRD and SMM by SMM type n (%) |
|
|---|---|---|---|
| Severe maternal morbidity (SMM) | 558 (5.5) | 558 (100.0) | 64 (11.5) |
| Blood transfusion | 226 (2.2) | 226 (40.7) | 14 (6.2) |
| Sepsis | 111 (1.1) | 111 (19.9) | 4 (3.6) |
| Acute renal failure | 84 (0.8) | 84 (15.1) | 5 (5.9) |
| Disseminated intravascular coagulation | 79 (0.8) | 79 (14.2) | 3 (3.8) |
| Pulmonary edema/acute heart failure | 40 (0.4) | 40 (7.2) | 4 (10.0) |
| Puerperal cerebrovascular disorders | 38 (0.4) | 38 (6.8) | 2 (5.3) |
| Air and thrombotic embolism | 36 (0.4) | 36 (6.5) | 4 (11.1) |
| Shock | 29 (0.3) | 29 (5.2) | 2 (6.9) |
| Acute myocardial infarction | 24 (0.2) | 24 (4.3) | 2 (8.3) |
| Eclampsia | 19 (0.2) | 19 (3.4) | 3 (15.8) |
| Hysterectomy | 17 (0.2) | 17 (3.1) | 3 (17.7) |
| Adult respiratory distress syndrome | 13 (0.1) | 13 (2.3) | 0 (0.0) |
| Ventilation | 13 (0.1) | 13 (2.3) | 1 (7.7) |
| Cardiac arrest/ventricular fibrillation | 10 (0.1) | 10 (1.8) | 1 (10.0) |
| Conversion of cardiac rhythm | 9 (0.1) | 9 (1.6) | 1 (11.1) |
| Aneurysm | 4 (0.0) | 4 (0.7) | 0 (0.0) |
| Amniotic fluid embolism | 2 (0.0) | 2 (0.4) | 0 (0.0) |
| Sickle cell disease with crisis | 1 (0.0) | 1 (0.2) | 0 (0.0) |
| Heart failure/arrest during surgery or procedure | 0 (0.00) | 0 (0.0) | 0 (0.0) |
| Severe anesthesia complications | 0 (0.00) | 0 (0.0) | 0 (0.0) |
| Temporary tracheostomy | 0 (0.00) | 0 (0.0) | 0 (0.0) |
Abbreviation: SRD, substance-related diagnosis (i.e., alcohol, stimulants, nicotine, opioids, and nicotine).