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Table 3 Medical history of the patients and full scale IQ scores at last evaluation.

From: Impairment of intellectual functions after surgery and posterior fossa irradiation in children with ependymoma is related to age and neurologic complications

pt age location hydroc. shunt surg. complications age at RT last test neurology last IQ
1 13.7 y FV, obex yes no GTR no 14 y 17.8 y normal 84
2 4.3 y FV, obex yes VCS GTR no 5.8 y 11.1 y CS grade 2 83
3 1.5 y FV, right angle yes VCS GTR no 2.6 y 4.5 y normal 85
4 7.7 y FV yes EVD GTR no 7.8 y 10.1 y normal 108
5 13.8 y FV, obex yes EVD GTR no 13.8 y 16.2 y normal 86
6 8.8 y FV, roof yes EVD STR no 9.3 y 12.7 y normal 81
7 14.2 y FV, angles no no GTR no 14.4 y 19.7 y normal 82
8 4.1 y right angle no no GTR infection 4.3 y 14.9 y normal 112
9 10.9 y FV yes VCS GTR no 11 y 13.2 y normal 93
10 3.5 y FV yes no GTR no 3.7 y 12.3 y normal 83
11 8.2 y right angle no no GTR no 8.3 y 12 y paresis VI+VII 93
12 3.7 y FV, obex yes VP STR no 3.8 y 10.7 y CS grade 1 68
13 3.2 y FV yes no STR no 3.3 y 17.5 y normal 104
14 2.5 y FV yes VP GTR no 2.7 y 18 y CS grade 2 70
15 13.5 y FV yes VCS GTR no 13.7 y 17.7 y normal 90
16 0.3 y FV yes no GTR no 1.3 y 16.9 y CS grade 3 75
17 2.5 y FV, brainstem yes no GTR no 6.2 y 10.7 y CS grade 3 71
18 4.5 y FV no no STR no 4.6 y 15.8 y normal 115
19 9.8 y FV yes VP GTR no 10 y 15.1 y ptosis 97
20 2.9 y FV, right angle yes EVD GTR subdural eff. 3 y 10.3 y CS grade 1 65
21 6.8 y FV to C4 no no GTR no 6.9 y 7.9 y normal 86
22 8.2 y FV to C2 no no GTR no 8.3 y 12.8 y nystagmus 111
23 12.5 y FV no no GTR no 12.6 y 14.8 y normal 108
  1. RT = radiotherapy; IQ = Intellectual Quotient; Hydroc. = hydrocephalus. Presence of hydrocephalus was noted in patients with clinical signs of raised intracranial pressure associated with enlarged lateral ventricles and/or bulging of the third ventricle.
  2. Surg. = extent of surgery; C2–C4 = 2nd and 4th cervical vertebra; EVD = external ventricle drainage; VCS = ventriculocisternostomy; VP = ventriculo-peritoneal shunt; GTR = gross total resection; STR = subtotal resection.
  3. CS = cerebellar signs; presence of cerebellar syndrome (Ataxia, Dysmetria, Nystagmus) was graduated as mild, moderate, or severe according to the impact on daily activities by an independent physician unaware of the neuropsychological performance using Riva's rating scale [22].