Table 2 Distribution of obstetric characteristics among case control pairs
Characteristic | Case | Control | Total | OR [95% CI] | p-value | |
|---|---|---|---|---|---|---|
Pregnancy history | Exposed (More than 1 pregnancy) | Unexposed (One pregnancy) | ||||
Exposed (More than 1 pregnancy) | 71 | 0 | 71 | |||
Unexposed (One pregnancy) | 8 | 67 | 75 | |||
Total | 79 | 67 | 146 | 0.05 [0.00-0.70] | 0.01 | |
History of deliveries | Exposed (History of delivery) | Unexposed (No history of delivery) | ||||
Exposed (History of delivery) | 65 | 0 | 65 | |||
Unexposed (No history of delivery) | 13 | 68 | 81 | |||
Total | 78 | 68 | 146 | 0.03 [0.00-0.40] | 0.001 | |
Cesarean sections | Exposed (Cesarean section) | Unexposed (No Cesarean section) | ||||
Exposed (Cesarean section) | 36 | 66 | 102 | |||
Unexposed (No Cesarean section) | 0 | 44 | 44 | |||
Total | 36 | 110 | 146 | 133.0 [8.23-2148.67] | <0.0001 | |
History of miscarriage | Exposed (Miscarriage) | Unexposed (No miscarriage) | ||||
Exposed (Miscarriage) | 21 | 4 | 25 | |||
Unexposed (No miscarriage) | 0 | 121 | 121 | |||
Total | 21 | 125 | 146 | 9.0 [0.48-167.17] | 0.17 | |
History of stillbirth | Exposed (Stillbirth) | Unexposed (No stillbirth) | ||||
Exposed (Stillbirth) | 0 | 3 | 3 | |||
Unexposed (No stillbirth) | 0 | 143 | 143 | |||
Total | 0 | 146 | 146 | 7.0 [0.36-135.52] | 0.31 | |
History of preeclampsia | Exposed (Preeclampsia) | Unexposed (No preeclampsia) | ||||
Exposed (Preeclampsia) | 6 | 15 | 21 | |||
Unexposed (No preeclampsia) | 0 | 124 | 124 | |||
Total | 6 | 139 | 145 | 31.0 [1.85-518.11] | 0.0004 | |