This DATSETNAMEreadme.txt file was generated on 2021-08-21 by Sean Hwang

GENERAL INFORMATION

1. Title of Dataset: EEG Abnormalities and their Radiographic Correlates in a COVID-19 Inpatient Cohort

2. Author Information

    A. Principal Investigator Contact Information

        Name: Sean Hwang

        Institution: Northwell

        Address: 300 Community Dr, Manhasset, NY 11030

        Email: shwang2@northwell.edu

3. Date of data collection (single date, range, approximate date) : 2020-03 to 2020-06

4. Geographic location of data collection : New York Region, USA

5. Information about funding sources that supported the collection of the data: None

SHARING/ACCESS INFORMATION

1. Licenses/restrictions placed on the data: None

2. Links to publications that cite or use the data: Neurology: Clinical Practice 

3. Links to other publicly accessible locations of the data: None

4. Links/relationships to ancillary data sets: None

5. Was data derived from another source? No

    A. If yes, list source(s): 

6. Recommended citation for this dataset: NEURCLINPRACT/2020/069075

DATA & FILE OVERVIEW

1. File List: data finalized version - dryad 8-24-2021.csv

2. Relationship between files, if important: none

3. Additional related data collected that was not included in the current data package: age/sex

4. Are there multiple versions of the dataset? yes/no

    A. If yes, name of file(s) that was updated: no

        i. Why was the file updated? 

        ii. When was the file updated? 

METHODOLOGICAL INFORMATION

1. Description of methods used for collection/generation of data: retrospective chart analysis entered to redcap

2. Methods for processing the data: none

3. Instrument- or software-specific information needed to interpret the data: no

4. Standards and calibration information, if appropriate: no

5. Environmental/experimental conditions: no

6. Describe any quality-assurance procedures performed on the data: manual review

7. People involved with sample collection, processing, analysis and/or submission: 

Sean T. Hwang, MD; Ahmad A. Ballout, MD; Anup N. Sonti; Amitha Kapyur; Claudia Kirsch, MD; Neeraj Singh, MD; Noah Markowitz; Derek Chong, MD; Tung Ming Leung, PhD

DATA-SPECIFIC INFORMATION FOR: [FILENAME]

<repeat this section for each dataset, folder or file, as appropriate>

1. Number of variables: 

2. Number of cases/rows: 

3. Variable List: 

<list variable name(s), description(s), unit(s)and value labels as appropriate for each>

Number ID;  

Focal IED (interictal epileptiform discharges on EEG), 1: present, 0 or blank: not present

LPD (lateralized periodic discharges on EEG), 1: present, 0 or blank: not present

GPD (generalized periodic discharges on EEG), 1: present, 0 or blank: not present

Focal Sz    (focal seizures on EEG), 1: present, 0 or blank: not present

Gen Sz  (genearlized seizures on EEG), 1: present, 0 or blank: not present

SE  (status epilepticus on EEG), 1: present, 0 or blank: not present

Triphasic   (triphasic discharges on EEG), 1: present, 0 or blank: not present

Burst Supp  (burst suppression on EEG), 1: present, 0 or blank: not present

Discontinous    (discontinuity on EEG), 1: present, 0 or blank: not present

Focal slow  (focal slowing on EEG), 1: present, 0 or blank: not present

LRDA    (lateralized rhythmic delta activity on EEG), 1: present, 0 or blank: not present

GRDA/FIRDA  (generalized rhythmic delta activity with frontal predominance on EEG), 1: present, 0 or blank: not present

Mild Slowing    (mild background slowing on EEG), 1: present, 0 or blank: not present

Moderate Slowing    (moderate background slowing on EEG), 1: present, 0 or blank: not present

Severe Slowing  (severe background slowing on EEG), 1: present, 0 or blank: not present

Diffuse Attn    (diffuse attenuation on EEG), 1: present, 0 or blank: not present

Normal  (normal EEG), 1: present, 0 or blank: not present

Any IED/Ictal   (any interictal epileptiform discharges or ictal abnormalities on EEG), 1: present, 0 or blank: not present

Expired (1) vs D/c (0)  

Epilepsy Hx (history), 1: present, or 0 or blank: not present

Chronic imaging abnormality only, 1: present, or 0 or blank: not present    

No imaging abnormality, 1: present, or 0 or blank: not present  

Acute Imaging   abnormality, 1: present, or 0 or blank: not present

Chronic Imaging   abnormality, 1: present, or 0 or blank: not present   

Chronic Nonspecific  abnormality, 1: present, or 0 or blank: not present    

nrad Descriptions   (neuroradiographic descriptions)

Imaging (type description if CT only, no MRI)

Focal IED Expired (If Focal IED present and patient expired) 1: occurred, 0 or blank: did not occur 

LPD expired (If LPD present and patient expired) 1: occurred, 0 or blank: did not occur

GPD and expired (If GPD present and patient expired) 1: occurred, 0 or blank: did not occur

Triphasics expired  (If triphasics present and patient expired) 1: occurred, 0 or blank: did not occur

Sz expird   (If seizures present and patient expired) 1: occurred, 0 or blank: did not occur

SE expired  (If status epilepticus present and patient expired) 1: occurred, 0 or blank: did not occur

Any epileptiform expired    (If any interictal epileptiform discharges or ictal abnormalities present and patient expired) 1: occurred, 0 or blank: did not occur

No epileptiform expired (If no interictal epileptiform discharges or ictal abnormalities present and patient expired) 1: occurred, 0 or blank: did not occur

Abnormal movements  (main indication for EEG) 1: present, 0 or blank: not present

Encephalopathy  (main indication for EEG) 1: present, 0 or blank: not present

Coma    (main indication for EEG) 1: present, 0 or blank: not present

Focal neuro deficit (main indication for EEG) 1: present, 0 or blank: not present

Seizure (main indication for EEG) 1: present, 0 or blank: not present

Focal IED localization  (descriptive localization of EEG abnormality)

Mech Ventilated?    (mechanically ventilated) 1: present, 0 or blank: not present

IV Sedative GTT?    (IV sedative infusion) 1: present, 0 or blank: not present

ASM/AED?    (antiseizure medication/antiepileptic drug being given) 1: present, 0 or blank: not present

Metabolic Abnormality?  1: present, 0 or blank: not present

Type of Metabolic Abn   (descriptive type)

cEEGs   1: done, 0 or blank: not done

rEEGs   1: done, 0 or blank: not done

rm-EEG  1: done, 0 or blank: not done

4. Missing data codes: 0 or blank: none

5. Specialized formats or other abbreviations used: see above