Can the Non-pneumatic Anti-Shock Garment (NASG) reduce adverse maternal outcomes from postpartum hemorrhage? Evidence from Egypt and Nigeria

Table 3 Outcomes during pre-intervention and NASG study phases (n = 854)

*Outcome*	Pre-intervention N = 343	NASG N = 511	Relative Risk (95%CI)	p
Measured vaginal blood loss in drape*:
Mean mL (SD)	424.1 (302.3)	220.5 (144.0)	--
Median mL (IQR)	400 (250-500)	200 (200-210)	--	right< 0.0001
Emergency hysterectomy ^‡	20 (9.0)	14 (4.0)	0.44 (0.23-0.86)	--
Combined Outcome: Severe morbidity** and mortality	44 (12.8)	21 (4.1)	0.32 (0.19-0.53)	--
Morbidity**	13 (4.2)	5 (1.0)	0.24 (0.09-0.67)	--
Mortality	31 (9.0)	16 (3.1)	0.35 (0.19-0.62)	--

NASG = non-pneumatic anti-shock garment. Data are n (%) or mean (SD). The denominator is the entire population, unless otherwise noted.
* For cases in which the calibrated blood collection drape was used and there were data for blood loss. Wilcoxon rank-sum test used to compare distributions by study phase. Data are for 784 cases.
^‡ Data on emergency hysterectomy are only for women with primary or secondary diagnosis of uterine atony (n = 573).
** Includes renal failure, acute respiratory distress syndrome, heart failure, cerebral impairment (seizures, unconsciousness, motor/cognitive loss) lasting more than 24 hours after resuscitation from shock. Denominator is the number of women who survived (n = 807).

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