Table 2 Comparison of characteristics of children of mothers with cancer and control mothers.
From: Perinatal and childhood outcomes of children born to female cancer survivors in South Korea
Children of mothers with cancer | Children of control mothers | P value | |||
|---|---|---|---|---|---|
N | % | N | % | ||
Total | 15,221 | 201,444 | |||
Male sex | 7404 | 48.6 | 97,561 | 48.4 | 0.613 |
Gestational age | < 0.0001* | ||||
< 28 weeks | 48 | 0.3 | 358 | 0.2 | |
28–36 weeks | 826 | 5.4 | 7349 | 3.6 | |
≥ 37 weeks | 14,347 | 94.3 | 193,710 | 96.2 | |
Birth weight | < 0.0001* | ||||
< 1000 g | 50 | 0.3 | 406 | 0.2 | |
1000–2499 g | 554 | 3.6 | 5488 | 2.7 | |
≥ 2500 g | 14,617 | 96.0 | 195,550 | 97.1 | |
Cesarean section | 6538 | 43.0 | 83,353 | 41.4 | 0.0001* |
Multiple birth | 759 | 5.0 | 6700 | 3.3 | < 0.0001* |
Maternal age at delivery (mean ± SD) | 31.81 | 3.90 | 31.97 | 3.91 | < 0.0001* |
< 25 | 419 | 2.8 | 4853 | 2.4 | < 0.0001* |
25–34 | 11,186 | 73.5 | 145,339 | 72.1 | |
≥ 35 | 3616 | 23.8 | 51,252 | 25.4 | |
Maternal gestational complications | 6021 | 39.6 | 74,874 | 37.2 | < 0.0001* |
Economic level | |||||
Low | 1437 | 9.4 | 20,103 | 10.0 | < 0.0001* |
Low-middle | 2828 | 18.6 | 40,834 | 20.3 | |
Upper-middle | 5835 | 38.3 | 80,958 | 40.2 | |
High | 5121 | 33.6 | 59,549 | 29.6 | |
Residential area | |||||
Seoul | 3123 | 20.5 | 40,993 | 20.3 | 0.4978 |
Metropolitan cities | 3753 | 24.7 | 50,528 | 25.1 | |
Others | 8345 | 54.8 | 109,923 | 54.6 | |
Follow up period (mean ± SD) | 5.86 | 2.81 | 6.05 | 2.83 | < 0.0001* |
