Skip to main content
. Author manuscript; available in PMC: 2021 May 17.
Published in final edited form as: Am J Hematol. 2020 Mar 6;95(5):472–482. doi: 10.1002/ajh.25753

TABLE 2.

Perinatal course and pregnancy outcomes of patients by PKLR mutation typea

Characteristics Missense/Missense
N = 113 patients
n
Missense/Non-Missense
N = 52 patients
n
Non-Missense/Non-Missense
N = 30 patient
n
P
valueb
Perinatal Complications/Treatment 28/100 (28%) 15 /48 (31%) 11/28 (39%) .26
In utero transfusions 12/26 (46%) 8/15 (53%) 4/10 (40%) 1.0
 Hydrops 3/26 (12%) 5/14 (36%) 1/11 (9%) 1.0
 Exchange transfusion 34/80 (42%) 17/40 (43%) 9/21 (43%) 1.0
 Phototherapy 69/78 (88%) 29/37 (78%) 17/20 (85%) .22

Pregnancy Outcomes/Management (data presented per pregnancy of affected woman with PKD)a n = 29 pregnanciesa from 16 pregnant women n = 13 pregnanciesa from 6 pregnant women n = 7 pregnanciesa from 3 pregnant women
 Normal birth - full-term 20/29 (69%) 8/13 (62%) 5/7 (71%) 1.0
 Pre-maturity 3/29 (10%) 0/13 (0%) 2/7 (29%) .24
 Transfusions during pregnancy 9/21 (43%) 3/6 (50%) 5/5 (100%) .043
a

Patients with known and available clinical data. For each proportion calculated, the denominator is the number of patients or pregnancies with known data for that characteristic.

b

Comparing Missense/Missense to non-Missense/non-Missense group using Fisher exact test.