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Table 1 Clinical characteristics of all participants

From: Association of NOS1 gene polymorphisms with cerebral palsy in a Han Chinese population: a case-control study

Characteristic

CP cases (n = 652)

Controls (n = 636)

Sex (male:female)

454:198

422:214

Preterm (< 37 weeks)

37

9

< 2500 g

30

2

BIRTH Asphyxia

187

11

TYPE OF CP

 Spastic CP

438

–

 CP with spastic tetraplegia

238

–

COMPLICATION

 CP with PVL

54

–

 CP with HIE

91

–

 CP with MR

248

–

 CP with NE

261

–

MATERNAL FACTORS

 PROM

62

24

 TPL

50

27

 PIH

22

5

  1. CP cerebral palsy, PVL periventricular leukomalacia, HIE hypoxic-ischemic encephalopathy, MR mental retardation, NE neonatal encephalopathy, PROM premature rupture of membrane, TPL threatened premature labor, PIH pregnancyinduced hypertensio