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Table. 2.

Table. 2.

Characteristics of pregnant women and their neonate or fetus according to the presence of maternal unexpected antibody

Maternal unexpected antibodyP value

Positive (test group)Negative (control group)
Total number of pregnant women3737
 Age (median, range)34 (25~44)33 (25~43)0.307
 ABO blood group (N, %)0.985
  A/B/AB/O13 (35.1%)/9 (24.3%)/12 (32.4%)/9 (24.3%)/
4 (10.8%)/11 (29.7%)5 (13.5%)/11 (29.7%)
 Rh D blood group (N, %)0.056
  Positive/negative30 (81.1%)/7 (18.9%)36 (97.3%)/1 (2.7%)
 Packed RBC transfusion before current pregnancy (N, %)0.115
  Yes/no4 (10.8%)/33 (89.2%)0 (0.0%)/37 (100.0%)
Obstetric history
 Gravida (median, range)2 (1~5)2 (1~6)0.562
 Para (median, range)0 (0~2)0 (0~2)0.210
 Abortion (median, range)0 (0~3)0 (0~2)0.149
 Live (median, range)0 (0~2)0 (0~2)0.604
Antenatal transfusion history in pregnant women (yes/no)3 (8.1%)/34 (91.9%)0 (0.0%)/37 (100.0%)0.240
Total number of fetuses or neonates3737
 Outcome of fetuses or neonates at birth (live/death)31 (83.8%)/6 (16.2%)36 (97.3%)/1 (2.7%)0.047
Total number of live neonates at birth3136
 Preterm birth/full-term birth9 (29.0%)/22 (71.0%)10 (27.8%)/26 (72.2%)0.910
 Phototherapy (yes/no)12 (38.7%)/19 (61.3%)7 (19.4%)/29 (80.6%)0.081
Total number of neonates with phototherapy12 (38.7%)7 (19.4%)0.081
 Times of phototherapy (median, range)2 (1~7)1 (1~3)0.536
 Peak total bilirubin (median, range)8.31 (5.2~14.52)9.26 (7.24~12.66)0.463
Korean J Blood Transfus 2019;30:23-32 https://doi.org/10.17945/kjbt.2019.30.1.23
© 2019 Korean J Blood Transfus