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Table 1 Neurological abnormalities in XP-CS patients

From: Xeroderma pigmentosum-Cockayne syndrome complex

Clinical feature #/total (%)
Intellectual disability 38/38 (100)
Progressive neurological problems 26/26 (100)
Ataxia, any form (sometimes unspecified) 15/15 (100)
Microcephaly 30/32 (94)
Abnormalities of myelination (CNS) 14/15 (93)
Brain atrophy or ventriculomegaly 19/21 (90)
Hearing loss (sensorineural) 18/21 (86)
Slowed nerve conduction velocity 12/14 (86)
Seizures 8/11 (73)
Brain calcifications 10/16 (63)
Lost or reduced deep tendon reflexes 3/11 (27)