Hydroxychloroquine Use in Lupus Patients during Pregnancy Is Associated with Longer Pregnancy Duration in Preterm Births
Table 1
Patient characteristics of SLE patients.
Total ()
Non-HCQ ()
HCQ ()
Race (n (%))
Caucasian
56 (89)
45 (92)
11 (79)
Black
1 (2)
1 (2)
0 (0)
Asian
6 (10)
3 (6)
3 (21)
Age at the start of the first registered pregnancy (mean (SD))
31.0 (4.1)
30.6 (4.0)
32.5 (4.3)
Disease duration at the start of the first registered pregnancy
6.0 (3.0–10.0)
6 (3.5–9.5)
4.5 (3–10.8)
Number of registered pregnancies per patient
1 (1-2)
1 (1-2)
2 (1-2)
Antiphospholipid antibodies present
7 (11)
6 (13)
1 (7)
LAC (n (%))
Negative
58 (92)
44 (90)
14 (100)
Positive
4 (7)
4 (9)
0 (0)
aCL-IgG (n (%))
Negative
59 (94)
45 (92)
14 (100)
Positive
3 (54)
3 (6)
0 (0)
aCL-IgM (n (%))
Negative
61 (97)
48 (98)
13 (93)
Positive
1 (2)
0 (0)
1 (7)
SD: standard deviation; IQR: interquartile range. Age and disease duration in years. Data depicted as median (IQR) unless otherwise indicated. Unknown: . Anti-beta2 glycoprotein IgG/IgM was tested in 31 patients in whom it was all negative.