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. Author manuscript; available in PMC: 2016 Mar 1.
Published in final edited form as: Obstet Gynecol. 2015 Mar;125(3):683–689. doi: 10.1097/AOG.0000000000000680

Table 2.

Maternal and neonatal outcomes in the morbidly adherent placenta patients (n=158), and by whether or not morbidly adherent placenta was suspected prior to delivery

All morbidly adherent placenta Morbidly adherent placenta suspected prior to delivery, n=84 Morbidly adherent placenta not suspected prior to delivery, n=74
n (%, 95%CI) unless otherwise noted P-value
Maternal outcomes
ICU admission 49 (31.0, 23.8-38.2) 33 (39.3, 28.8-49.7) 16 (21.6, 12.2-31.0) .02
EBL, mL, median (interquartile range) 2000 (1100-2800) 2000 (1300-3000) 1500 (1000-2500) .004
EBL, mL .03
    Quartile 1 (≤ 1099) 36 (23.4, 16.7-30.1) 12 (15.0, 7.2-22.8) 24 (32.4, 21.8-43.1)
    Quartile 2 (1100 – 1899) 40 (26.0, 19.1-32.9) 19 (23.8, 14.4-33.1) 21 (28.4, 18.1-38.7)
    Quartile 3 (1900 – 2749) 38 (24.7, 17.9-31.5) 23 (28.8, 18.8-38.7) 15 (20.3, 11.1-29.4)
    Quartile 4 (≥ 2750) 40 (26.0, 19.1-32.9) 26 (32.5, 22.2-42.8) 14 (18.9, 10.0-27.8)
Blood product transfused 105 (66.5, 59.1-73.8) 67 (79.8, 71.2-88.4) 38 (51.4, 40.0-62.7) <.001
Among transfused, units transfused, median (interquartile range)
    Packed red blood cells 4 (2-8) 4 (2-9) 4 (2-6) .46
    Fresh frozen plasma 0 (0-4) 0 (0-5) 0 (0-3) .33
    Cryoprecipitate 0 (0-0) 0 (0-0) 0 (0-0) .24
    Platelets 0 (0-0) 0 (0-1) 0 (0-0) .49
Lowest postpartum hemoglobin, g/dL, median (interquartile range) 8.0 (7.0-9.6) 8.0 (6.6-9.4) 8.1 (7.2-9.6) .42
Any two systolic blood pressures < 80 at least 30 minutes apart 11 (7.0, 3.0-10.9) 6 (7.1, 1.6-12.7) 5 (6.8, 1.0-12.5) .92
In those with systolic blood pressure <80, lowest systolic blood pressure, mmHg, median (interquartile range) 70 (60-76) 71 (60-74) 64 (64-76) .93
Any two diastolic blood pressures < 50 at least 30 minutes apart 69 (43.7, 35.9-51.4) 37 (44.1, 33.4-54.7) 32 (43.2, 32.0-54.5) .92
In those with diastolic blood pressure <50, lowest diastolic blood pressure, mmHg, median (interquartile range) 41 (33-44) 40 (33-43) 41 (34-44) .73
Length of maternal stay, days, median (interquartile range) 4 (3-5) 4 (4-6) 4 (3-4) <.001
Maternal ventilator use in ICU 24 (15.2, 9.6-20.8) 18 (21.4, 12.7-30.2) 6 (8.1, 1.9-14.3) .02
Hysterectomy 110 (69.6, 62.5-76.8) 77 (91.7, 85.8-97.6) 33 (44.6, 33.3-55.9) <.001
Unanticipated maternal surgeries (excluding hysterectomy) 28 (17.7, 11.8-23.7) 8 (9.5, 3.3-15.8) 20 (27.0, 16.9-37.2) .004
Maternal pulse greater than 120 beats per minutes 40 (25.3, 18.5-32.1) 24 (28.6, 18.9-38.2) 16 (21.6, 12.2-31.0) .32
Neonatal outcomes
Gestational age at delivery, weeks, median (interquartile range) 36.6 (34.1-38.6) 35.6 (33.6-36.9) 37.8 (35.4-39.6) <.001
Neonatal ventilator support within 24 hours of birth 32 (20.3, 14.0-26.5) 24 (28.6, 18.9-38.2) 8 (10.8, 3.7-17.9) .006
NICU admission 80 (50.6, 42.8-58.4) 55 (65.5, 55.3-75.6) 25 (33.8, 23.0-44.6) <.001
Length of neonatal stay, days, median (interquartile range) 4 (3-12) 6 (4-14) 4 (3-8) .001
Size for gestational age 0.18
    Small 22 (13.9, 8.5-19.3) 9 (10.7, 4.1-17.3) 13 (17.6, 8.9-26.2)
    Appropriate 119 (75.3, 68.6-82.0) 63 (75.0, 65.7-84.3) 56 (75.7, 65.9-85.5)
    Large 17 (10.8, 5.9-15.6) 12 (14.3, 6.8-21.8) 5 (6.8, 1.0-12.5)

ICU = intensive care unit; EBL = estimated blood loss; NICU = neonatal intensive care unit