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AIM: The objective of this study was to assess the reliability of a mobility questionnaire (MobQues) that was developed to measure the mobility limitations of children with cerebral palsy (CP) as rated by their parents. A clinical version of the questionnaire, consisting of 47 items (MobQues47), is available, as well as a research version with 28 items for a specific population (MobQues28). Total scores are expressed on a scale of 0 to 100. METHOD: We assessed the interrater reliability between both parents of 289 children with CP (168 males, 121 females, age range 2-13 y, Gross Motor Function Classification System levels I-IV) and the intrarater reliability within a subgroup of 38 parents (of 23 children) who completed the MobQues twice. RESULTS: For the interrater reliability, high intraclass correlation coefficients (ICCs) were found for the MobQues47 (ICC 0.92) and MobQues28 (ICC 0.87). The standard error of measurement (SEM) was 7.8 and 8.9 respectively. As expected, the intrarater reliability was higher, as represented by higher ICCs (0.96-0.99) and lower SEMs (3.5-4.9) for both MobQues versions. INTERPRETATION: The results of this study indicate that the MobQues is a reliable instrument to measure the mobility limitations of children with CP. [ABSTRACT FROM AUTHOR]

AIM: To investigate the predictive value of motor testing at 1 year for motor and mental outcome at 2 years after perinatal hypoxic-ischaemic encephalopathy (HIE) in term neonates. METHOD: Motor and mental outcome at 2 years was assessed with the Bayley Scales of Infant Development, 2nd edition (BSID-II) in 32 surviving children (20 males, 12 females; mean gestational age 40.2 wk, SD 1.4; mean birthweight 3217g, SD 435) participating in a prospective cohort study of HIE. The predictive value of three motor tests (Alberta Infant Motor Scale [AIMS], BSID-II, and the Neurological Optimality Score [NOS]) at 1 year was analysed, in addition to predictions based on neonatal Sarnat staging and magnetic resonance imaging (MRI). Poor motor test results were defined as an AIMS z-score of <-2, a psychomotor developmental index of the BSID-II of <70, or a NOS of <26. Poor motor and poor mental outcome at 2 years was defined as a psychomotor developmental index or mental developmental index of the BSID-II of <70. RESULTS: Twelve children, all with Sarnat grade II, had a poor motor outcome and 12 children, of whom one had Sarnat grade I, had a poor mental outcome at 2 years. Nine children had cerebral palsy, of whom five had quadriplegia, three had dyskinesia, and one had hemiplegia. Poor motor tests at 1 year increased the probability of a poor motor outcome from 71% (range 92 to 100%), and a poor mental outcome from 59% (range 77 to 100%) in children with Sarnat grade II and abnormal MRI, assessed with the AIMS and BSID-II or NOS respectively. INTERPRETATION: Additional motor testing at 1 year improves the prediction of motor and mental outcome at 2 years in children with Sarnat grade II and abnormal MRI. [ABSTRACT FROM AUTHOR]

AIM: the objective of this study was to assess the validity of a mobility questionnaire (MobQues) that was developed to measure parent-reported mobility limitations in children with cerebral palsy (CP). METHOD: the parents of 439 children with CP (256 males and 183 females; age range 2-18y; Gross Motor Function Classification System [GMFCS] levels I-IV) completed the mobility questionnaire (MobQues). To assess content validity, we linked all meaningful concepts of the MobQues items to the International Classification of Functioning, Disability and Health (ICF). To assess construct validity, we compared the total scores of the two versions of the MobQues (MobQues47 and MobQues28) according to GMFCS level, and determined Pearson's correlation coefficient (r) with the Gross Motor Function Measure-66 (GMFM-66). RESULTS: content validity was demonstrated by the fact that 46 of the 47 MobQues items were linked to categories in the 'Mobility' chapter of the ICF. Construct validity was demonstrated by the finding that MobQues scores decreased with increasing GMFCS levels (p<0.001). In a subgroup of 162 children, positive correlations were found between total scores and the GMFM-66 (MobQues47, r=0.75; MobQues28, r=0.67, p<0.001). INTERPRETATION: the results of this study provide evidence supporting the content and construct validity of the MobQues as a measure of mobility limitation in children with CP. [ABSTRACT FROM AUTHOR]