TABLE 1.
Sample description for gene polymorphism analysis.
| Characteristic |
CP cases |
Control |
||
| Total (%) | M/F (n) | Total (%) | M/F (n) | |
| Gestational age | ||||
| Preterm (<37 weeks) | 40 (5.59) | 33/7 | 11 (1.67) | 10/1 |
| Term (≥37 weeks) | 675 (94.41) | 463/212 | 647 (98.33) | 428/219 |
| Total | 715 (100) | 496/219 | 658 (100) | 438/220 |
| Type of CP | ||||
| Spastic CP | 468 (65.45) | 338/130 | − | – |
| Non-spastic CP | 247 (34.55) | 158/89 | − | – |
| Total | 715 (100) | 496/219 | 658 (100) | 438/220 |
| Birth weight | ||||
| <2500 g | 29 (4.06) | 20/9 | 17 (2.58) | 13/4 |
| ≥2500 g | 686 (95.94) | 485/201 | 641 (97.42) | 425/216 |
| Total | 715 (100) | 505/210 | 658 (100) | 438/220 |
| Birth asphyxia | ||||
| Asphyxia | 212 (29.65) | 157/55 | 10 (1.52) | 7/3 |
| No Asphyxia | 503 (70.35) | 339/164 | 648 (98.48) | 431/217 |
| Total | 715 (100) | 496/219 | 658 (100) | 438/220 |
| Maternal factors | ||||
| PROM | 68 (951) | 51/17 | 24 (3.65) | 16/8 |
| No PROM | 647 (90.49) | 425/202 | 634 (96.35) | 420/214 |
| TPL | 57 (7.97) | 40/17 | 33 (5.02) | 27/6 |
| No TPL | 648 (92.03) | 454/196 | 625 (94.98) | 411/214 |
| PIH | 27 (3.78) | 21/6 | 8 (1.22) | 7/1 |
| No PIH | 688 (96.22) | 476/212 | 650 (98.78) | 431/219 |
| Complication | ||||
| With PVL | 67 (9.37) | 53/14 | ||
| Without PVL | 648 (90.63) | 445/203 | ||
| With HIE | 96 (13.45) | 71/25 | ||
| Without HIE | 619 (86.55) | 421/198 | ||
| With MR | 289 (40.42) | 199/90 | ||
| Without MR | 426 (59.58) | 297/129 | ||
CP, cerebral palsy; M, male; F, female; PVL, periventricular leukomalacia; PROM, premature rupture of membrane; TPL, threatened premature labor; PIH, pregnancy-induced hypertension; HIE, hypoxic ischemic encephalopathy; MR, mental retardation.