pSS (n=164) | Controls (n=328) | Adjusted OR | 95% CI | P value | |
Fetal loss* | 36 (21.95%) | 12 (3.66%) | |||
Spontaneous miscarriage | 21 (12.80%) | 5 (1.52%) | 11.335 | (4.128 to 31.123) | <0.001 |
Duration of spontaneous miscarriage (day)† | 69.50±42.33 | 155.43±30.48 | |||
Therapeutic miscarriage | 10 (6.10%) | 3 (0.91%) | 10.268 | (2.646 to 39.846) | 0.001 |
Other‡ | 5 (3.05%) | 4 (1.22%) | 2.319 | (0.572 to 9.412) | 0.239 |
Oligohydramnios* | 26 (15.85%) | 35 (10.67%) | 1.672 | (0.936 to 2.989) | 0.083 |
Eclampsia/pre-eclampsia* | 2 (1.22%) | 5 (1.52%) | 0.319 | (0.042 to 2.430) | 0.270 |
Threatened preterm birth* | 7 (4.27%) | 3 (0.91%) | 3.896 | (0.925 to 16.412) | 0.064 |
Premature rupture of membranes* | 23 (14.02%) | 56 (17.07%) | |||
Premature rupture of membranes in preterm | 16 (9.76%) | 50 (15.24%) | 0.728 | (0.391 to 1.356) | 0.317 |
Premature rupture of membranes in full term | 7 (4.27%) | 6 (1.83%) | 1.671 | (0.502 to 5.564) | 0.403 |
Placental abnormalities on ultrasound* | 24 (14.63%) | 21 (6.40%) | 2.295 | (1.182 to 4.457) | 0.014 |
Placenta previa | 6 (3.66%) | 6 (1.83%) | |||
Placental abruption | 1 (0.61%) | 3 (0.91%) | |||
Hydatid mole | 1 (0.61%) | 0 (0%) | |||
Placenta implantation | 3 (1.83%) | 1 (0.30%) | |||
Placental adherence | 9 (5.49%) | 4 (1.22%) | |||
Placental thrombosis | 1 (0.61%) | 0 (0%) | |||
placental fibrin deposition | 6 (3.66%) | 0 (0%) | |||
Placental infarction | 1 (0.61%) | 0 (0%) | |||
Placental haematoma or bleeding | 5 (3.05%) | 5 (1.52%) | |||
Chorioamnionitis | 4 (2.44%) | 1 (0.30%) | |||
Veil-shaped placenta | 2 (1.22%) | 3 (0.91%) | |||
Racquet-shaped placenta | 2 (1.22%) | 1 (0.30%) | |||
Pregnancy-induced hypertension* | 6 (3.66%) | 6 (1.83%) | 2.367 | (0.624 to 8.978) | 0.205 |
Gestational diabetes mellitus* | 18 (10.98%) | 27 (8.23%) | 1.339 | (0.673 to 2.666) | 0.406 |
Data were analysed by generalised linear regression method logistic.
*Number with the percentages between brackets.
†Mean±SD.
‡Including stillbirth, ectopic pregnancy, hydatidiform mole.
n, number of deliveries; pSS, primary Sjögren’s syndrome.