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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