Cases of black women meeting obstetric haemorrhage criteria by site from July 2020 to June 2021
| Site 1 N=91 | Site 2 N=66 | Site 3 N=6 | Site 4 N=5 | Site 5 N=4 | P value | |
| Baseline and labour and delivery characteristics | ||||||
| Insured through Medicaid | 66 (73.3) | 45 (70.3) | 5 (83.3) | 2 (40.0) | 1 (25.0) | 0.20 |
| Age* | 28 (23–34) | 29 (26–32) | 31 (29–31) | 24 (22–24) | 30 (27–34) | 0.31 |
| BMI at admission† | 35.4 (8.1) | 33.8 (7.4) | 32.9 (4.8) | 32.4 (9.4) | 27.1 (8.1) | 0.89 |
| Anaemia (Hb <110 g/L) during pregnancy | 43 (48.3) | 40 (60.6) | 3 (50.0) | 2 (40.0) | 3 (75.0) | 0.47 |
| Utilisation of intravenous iron during pregnancy‡ | 11 (25.6) | 14 (35.0) | 0 | 0 | 0 | 0.27 |
| Labour type | 0.053 | |||||
| Induction | 47 (52.1) | 24 (36.9) | 3 (50.0) | 0 | 2 (50.0) | |
| Spontaneous labour | 32 (36.0) | 25 (38.5) | 1 (16.7) | 4 (80.0) | 1 (25.0) | |
| No labour (scheduled caesarean) | 10 (11.2) | 16 (24.6) | 2 (33.3) | 1 (20.0) | 1 (25.0) | |
| Mode of delivery | 0.90 | |||||
| Vaginal delivery | 66 (74.1) | 44 (67.7) | 4 (66.7) | 4 (80.0) | 3 (75.0) | |
| Caesarean delivery | 23 (25.8) | 21 (32.3) | 2 (33.3) | 1 (20.0) | 1 (25.0) | |
| Estimated blood loss (cc)* | 1200 (800–1500) | 1360 (950–2000) | 1010 (810–1250) | 900 (200–1000) | 1450 (1125–2000) | 0.03 |
| Management of haemorrhage | ||||||
| Uterotonic utilisation§ | ||||||
| Methylergonovine | 29 (31.9) | 20 (30.3) | 1 (16.7) | 1 (20.0) | 0 | 0.80 |
| Carboprost | 22 (24.2) | 24 (36.4) | 1 (16.7) | 0 | 2 (50.0) | 0.18 |
| Misoprostol | 43 (47.3) | 46 (69.7) | 3 (50.0) | 2 (40.0) | 2 (50.0) | 0.048 |
| Tranexamic acid | 1 (1.1) | 19 (28.8) | 0 | 0 | 2 (50.0) | <0.001 |
| Balloon tamponade utilisation | 11 (12.1) | 13 (19.7) | 0 | 0 | 0 | 0.53 |
| B-lynch suture utilisation | 1 (1.1) | 0 | 0 | 0 | 0 | 1.00 |
| Uterine artery embolisation | 1 (1.1) | 0 | 0 | 0 | 0 | 1.00 |
| Packed red blood cell transfusion utilisation | 30 (33.0) | 26 (39.4) | 3 (50.0) | 1 (20.0) | 1 (25.0) | 0.76 |
This table includes demographic and clinical characteristics, labour and delivery outcomes including details of obstetric haemorrhage as well as management modalities.
*Results are shown as n (%) except where indicated median (IQR).
†Mean (SD).
‡Among those with anaemia.
§Could use more than one.
BMI, body mass index.