Variable | Cases N = 103 (%) | Controls N = 103 (%) | Total N = 206 (%) | OR (95% CI) | p-value |
Pyelonephritis | |||||
Yes | 14 (13.6) | 2 (2) | 14 (6.8) | 4.6 (3.7 - 17.2) | <0.001 |
No | 89 (86.4) | 103 (100) | 192 (93.2) | Ref. | |
Recurrent urinary tract infection during the pregnancy | |||||
Yes | 19 (18.4) | 1 (1) | 20 (9.7) | 23.07 (4.1 - 488.6) | <0.001 |
No | 84 (81.6) | 102 (99) | 186 (90.3) | Ref. | |
Threatened abortion | |||||
Yes | 14 (13.6) | 0 (0) | 14 (6.8) | - | <0.001 |
No | 89 (86.4) | 103 (100) | 192 (93.2) | Ref. | |
Preterm labor | |||||
Yes | 38 (36.9) | 2 (1.9) | 40 (19.4) | 29.52 (7.94 - 184.95) | <0.001 |
No | 65 (63.1) | 101 (98.1) | 166 (80.6) | Ref. | |
Premature rupture of membranes | |||||
Yes | 38 (36.9) | 2 (1.9) | 40 (19.4) | 29.52 (7.94 - 184.95) | <0.001 |
No | 65 (63.1) | 101 (98.1) | 166 (80.6) | Ref. | |
Amnionitis | |||||
Yes | 33 (29.1) | 4 (2.3) | 37 (16.3) | 18.33 (3.1 - 44.2) | 0.001 |
No | 70 (70.9) | 99 (97.7) | 51 (83.7) | Ref. | |
Vaginal birth | |||||
Yes | 82 (79.6) | 79 (76.7) | 161 (78.2) | 1.19 (0.61 - 2.32) | 0.37 |
No | 21 (20.4) | 24 (23.3) | 45 (21.8) | Ref. | |
Cesarean section | |||||
Yes | 21 (20.4) | 24 (23.3) | 45 (21.8) | 0.84 (0.43 - 1.64) | 0.37 |
No | 82 (79.6) | 79 (76.7) | 161 (78.2) | Ref. |