Table 4 Univariate analysis for predicting adverse pregnancy outcomes in lupus patients

Age at disease onset

0.54

0.666

0.176

2.513

Age conception

0.79

0.869

0.308

2.45

Preexisted hypertension

0.04*

2.78

1.0017

7.7300

Absence of remission for at least 6 months

0.000*

4.668

2.089

10.431

Active SLE disease at conception

0.000*

36.000

8.035

161.290

Malar rash

0.16

1.7

0.808

3.58

Arthritis

0.28

1.6

0.676

3.778

Preexisted lupus nephritis

0.000*

19.133

6.6296

55.2194

Antiphospholipid antibody syndrome

0.000*

7.64

2.9912

19.5157

Hydroxychloroquine

0.029*

0.385

0.163

0.909

Low-dose aspirin

0.56

0.747

0.279

2.001

Low-molecular-weight heparin

0.0382*

0.307

0.101

0.938

Anti-hypertension

0.17

0.471

0.159

1.397

Hypoalbuminemia

0.003*

0.333

0.159

0.694

Serum blood urea nitrogen

0.92

0.86

0.053

14.23

Serum creatinine

0.51

1.79

0.315

10.19

24-h urinary protein > 500 mg

0.000*

8.533

3.19

22.82

Creatinine clearance

0.85

1.08

0.473

2.464

Hypocomplementemia C3

0.000*

20.580

7.108

59.587

Hypocomplementemia C4

0.01*

2.59

1.1675

5.7782

Anti-double-stranded DNA

0.004*

3.960

1.53

10.204

Lupus anticoagulant (LA) antibody

0.002*

6.4

2.035

20.14