Table 1 Patient characteristics
Group "ideal" | Group "suboptimal" | p (Mann–Whitney-U) | |
|---|---|---|---|
n = 23 | n = 51 | ||
Patients: n (%) | |||
Planned pregnancies | 22 (96) | 40 (78) | 1 |
Unplanned pregnancies | 1 (4) | 11 (22) | 1 |
Pregnancies: n (%) | |||
First | 18 (78) | 31 (61) | 1 |
Second | 5 (22) | 16 (31) | 1 |
Third | 0 (0) | 4 (8) | |
Phe tolerance before pregnancy (mg/day) | |||
Mean (SD) | 587 (235) | 572 (264) | 0.798 |
Median (IQR) | 560 (400–787) | 500 (362–800) | |
Range | 250–950 | 300–1200 | |
Phe-tolerance known before pregnancy: n (%) | |||
Known | 12 (52) | 28 (55) | 1 |
Unknown | 11 (48) | 23 (45) | 1 |
Blood Phe-analyses during pregnancy (n) | |||
Mean (SD) | 38 (14) | 33 (12) | |
Median (IQR) | 35 (29–42) | 34 (28–40) | 0.345 |
Range | 17–79 | 5–66 | |
Diet implementation: n (%) | |||
Calculation of all foods | 2 (9) | 10 (20) | 0.320 |
Calculation of all foods except fruit, vegetables and low protein foods | 0 (0) | 1 (2) | 1 |
No consumption of protein-rich foods and estimation of Phe-intake | 7 (30) | 14 (27) | 1 |
Consumption of protein-rich foods and estimation of Phe-intake | 9 (39) | 12 (24) | 0.265 |
None | 5 (22) | 14 (27) | 0.776 |
Feeling about diet: n (%) | |||
Very hard | 2 (9) | 5 (10) | 1 |
Hard | 4 (17) | 13 (25) | 0.558 |
Easy | 14 (57) | 22 (43) | 0.211 |
Very easy | 4 (17) | 10 (20) | 1 |
Age of mothers at beginning of pregnancy (years) | |||
Mean (SD) | 29.5 (4,3) | 28.90 | |
Median (IQR) | 29 (26–33) | 29 (26–32) | 0.258 |
Range | 21–38 | 19–39 | |
Mother’s highest achieved degree of school education: n (%) | |||
Primary school | 0 (0) | 0 (0) | 1 |
School for mentally handicapped children | 0 (0) | 2 (4) | 0.566 |
9th grade | 0 (0) | 6 (12) | 0.168 |
10th grade | 10 (43) | 29 (57) | 0.323 |
12th grade | 13 (57) | 14 (27) | 0.013* |