Table 3.
Complications of pregnancy and labor, concurrent illnesses of the mother, and procedures conducted in the perinatal period, comparins hepatoblastoma cases to controls.
| Case n(%) n=261 |
Control n(%) n=218,277 |
Unadjusted OR (95% CI) |
Adjusted OR (95% Cl) |
|
|---|---|---|---|---|
| Complications and procedures of pregnancy and concurrent illnesses of the mothera | ||||
| Chronic diabetes | 5 (1.9) | 3906 (1.8) | 1.07 (0.44, 2.60) | 0.93 (0.38, 2.27) |
| Preeclampsia | 13 (5.6) | 3943 (2.1) | 2.70 (1.54, 4.73) | 2.62 (1.49,4.58) |
| Complications or procedures of labor and deliverya | ||||
| Dysfunctional labor | 14 (6.0) | 6633 (3.6) | 1.71 (1.00, 2.94) | 1.70 (0.99, 2.92) |
| Premature laborb | 18 (8.4) | 4439 (2.5) | 3.54 (2.18, 5.74) | 3.52 (2.17, 5.71) |
| Breech presentation | 17 (6.5) | 6555 (3.0) | 2.25 (1.38, 3.68) | 2.27 (1.39, 3.72) |
| Moderate/ heavy meconium in amniotic fluid b | 12 (5.2) | 7671 (4.2) | 1.25 (0.70, 2.23) | 1.27 (0.71, 2.27) |
| Fetal distress b | 15 (6.2) | 6696 (3.2) | 2.00 (1.19, 3.38) | 2.08 (1.23, 3.51) |
| Abnormal conditions and clinical procedures relating to the newbornb | ||||
| NlCU admission c | 27 (11.6) | 5493 (3.0) | 4.26 (2.85, 6.37) | 1.40 (0.86,2.30) |
| Newborn transferred to another facility within 24 hours of delivery c | 7 (3.0) | 1029 (0.6) | 5.51 (2.59, 11.72) | 1.54 (0.69, 3.44) |
| Any clinical procedure on the newborn c | 30 (12.9) | 7065 (3.8) | 3.70 (2.52, 5.44) | 1.27 (0.79, 2.05) |
| Any congenital anomaly a | 6 (2.3) | 1408 (0.7) | 3.51 (1.56, 7.90) | 3.59 (1.59, 8.08) |
a
Models control for maternal age, race, and birth year.
b
Variable was not collected on birth certificates in all years of the study.
c
Models control for maternal age, race, birth year, and birth weight.