Table 3

Received information about antibodies and HDFN, according to HDFN risk, as established upon first trimester RBC antibody screening

Controls
 Screen-positive, not at risk HDFN
 At risk HDFN

n = 731
 Screen-pos, not-confirmed
n = 21
 Clinically non-relevant antibodies
n = 44
 Non-RhD antibodies, father neg.
n = 30
 Non-RhD-antibodies, father positive
n = 45
Mode of reporting result screening for RBC antibodies
- regular consult – %
 84
 67
 73
 64*
 36*
- telephone
 4
 29*
 16*
 23*
 44*
- letter
 3
 4
 9
 10
 9
- other way
 1
 0
 2
 3
 7
- not reported
 8
 0
 0
 0
 4
Information read in written information, provided by obstetric care worker?
Yes – %
 51
 43
 55
 77*
 49
Verbal information provided by obstetric care worker
Yes – %
 65
 76
 84*
 90*
 96*
Information sources found by the woman herself
(more than one source possible)
- written – %
 45
 19*
 21*
 33
 16*
- internet
 10
 19
 27*
 30≈
 53*
- friends/family
 21
 14
 11
 23
 27
- education
 18
 24
 5*
 7
 7
- OPZI-study 2
 0
 0
 0
 23*
 13*
- other sources
 4
 5
 0
 0
 7

1 Weighted controls from hospital care: 35*0.41 = 15; 58 controls from midwifery care

2 OPZI-study: nation-wide evaluation of the first screening program for RBC antibodies, other than RhD

* p < 0.05, differences compared to controls

Koelewijn et al. BMC Pregnancy and Childbirth 2008 8:49   doi:10.1186/1471-2393-8-49