Table 2.

Clinical outcomes by maternal race and ethnicity

	Non-Hispanic White (N = 4,491)	Non-Hispanic Black (N = 2,804)	Hispanic (N = 2,317)	P value
Maternal severe morbidity composite outcome	202 (4.5)	332 (11.8)	110 (4.8)	< 0.001
Blood transfusion ≥ 4 units	21 (0.5)	33 (1.2)	21 (0.9)	0.003
Unplanned surgical intervention	46 (1.0)	22 (0.8)	25 (1.1)	0.489
Intubation > 12 hours	17 (0.4)	16 (0.6)	8 (0.04)	0.424*
ICU admission	61 (1.4)	257 (9.2)	34 (1.5)	< 0.001
Failure of ≥ 1 organ system	128 (2.9)	97 (3.5)	57 (2.5)	0.097
Secondary outcomes
Hysterectomy	6 (0.1)	6 (0.2)	3 (0.1)	0.714*
Blood transfusion ≥ 3 units	33 (0.7)	43 (1.5)	26 (1.1)	0.005
Postpartum endometritis	27 (0.6)	56 (2.0)	53 (2.3)	< 0.001

All data presented as mean ± SD or n (%)

^*Fisher’s exact test

ICU=intensive care unit