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Chiari and tics in Malformations
Sep 7th 21

Chiari I has protean clinical manifestations (1). Tics in patients with Chiari I malformation is very rare; in these cases, it is thought that the Chiari I malformation and the tic are unrelated. ...

Management of calcified cephalohaematoma in Craniosynostosis
Jul 16th 21

DefinitionCalcified cephalohaematoma is cephalohaematoma that is calcified.Cephalohaematoma is haematology under the periosteum and teh outer table of skull. This occurs following instrumented ...

Levels of Evidence in Medical Statistics
Jan 16th 21

There are currently several classifications for levels of evidence. The following is a classification cited in the Journal of Neurosurgery (Editorial. JT Rutka).Evidence LevelDescriptionIi) Randomised ...

Prominent external proturberance in Craniosynostosis
Dec 2nd 20

Prominent external occipital protuberance could be primary or, due to enthesophyte of the tendons attached to the external occipital protuberance .  ReferencesShahar D, Sayers MG. A morphological a ...

Mode, Modal Class, Modal Category in Medical Statistics
Mar 23rd 20

Overview Mode, modal class and modal category are similar statistics that relate to the 'most popular' data point within data-sets. Mode If the data that you have collected is numerical, the mode is ...

Bimodal distribution
Craniopharyngiomas
Medulloblastomas
Sonic Hedgehog type
Descriptive Statistics in Medical Statistics
Mar 21st 20

Overview Descriptive statistics is a collection of statistical tests that describe the basic statistics of the data. Table 1 summarises the statistics that constitute descriptive statistics.   ...

Normal distribution in Medical Statistics
Mar 20th 20

Normal distribution is a type of statistical distribution. It is also called Gaussian distribution. When you plot the data which has a normal distribution against its frequency (e.g. height on the ...

D'Agostino-Pearson omnibus normality test
Non-parametric
Normal distribution
Normalisation
Normality tests
Types of data in Medical Statistics
Mar 16th 20

All the time when we undertake research or audit we collect data. The data may be simple such as age of patients or gender of patients. The data we collect may be complex: the Glasgow Coma score at ...

Interval
Nominal
Ordinal
Ratio
Statistical Distributions in Medical Statistics
Mar 16th 20

Introduction Statistical calculations often appear mystical as though plucked from mid-air. Statistical calculations are in fact based on the mathematical pattern of events. These mathematical ...

Black Brain in Phenomena
Mar 11th 20

DefinitionHemispheric hypodensity (HH) or 'black brain' on CT scan of the head following severe head injury in infants and toddlers.It is characterised by:loss of grey-white differentiation of the ...

Head injury