Related Variables
afib |
Atrial Fibrillation or Flutter
Minnesota (MN) code 8-3-1 or 8-3-2. Data derived from standard resting 12-lead electrocardiogram (ECG) with the participant supine. Records were interpreted and Minnesota (MN) codes were provided by clinical cardiologists. |
Clinical Data/Diagnostic Studies/Electrocardiogram | |
antlatmi |
Anterolateral myocardial infarction (MI)
Data derived from standard resting 12-lead electrocardiogram (ECG) with the participant supine. Records were interpreted and Minnesota (MN) codes were provided by clinical cardiologists. |
Clinical Data/Diagnostic Studies/Electrocardiogram | |
antsepmi |
Anteroseptal myocardial infarction (MI)
Data derived from standard resting 12-lead electrocardiogram (ECG) with the participant supine. Records were interpreted and Minnesota (MN) codes were provided by clinical cardiologists. |
Clinical Data/Diagnostic Studies/Electrocardiogram | |
apbs |
Atrial bypasses
Minnesota (MN) code 8-1-1. Data derived from standard resting 12-lead electrocardiogram (ECG) with the participant supine. Records were interpreted and Minnesota (MN) codes were provided by clinical cardiologists. |
Clinical Data/Diagnostic Studies/Electrocardiogram | |
av1deg |
First degree atrioventricular block
Minnesota (MN) code 6-3. Data derived from standard resting 12-lead electrocardiogram (ECG) with the participant supine. Records were interpreted and Minnesota (MN) codes were provided by clinical cardiologists. |
Clinical Data/Diagnostic Studies/Electrocardiogram | |
av3deg |
Third degree atrioventricular block
Minnesota (MN) code 6-1. Data derived from standard resting 12-lead electrocardiogram (ECG) with the participant supine. Records were interpreted and Minnesota (MN) codes were provided by clinical cardiologists. |
Clinical Data/Diagnostic Studies/Electrocardiogram | |
ecgdate |
Number of days since the baseline Polysomnography (PSG) until collected: electrocardiogram (ECG)
Data derived from standard resting 12-lead electrocardiogram (ECG) with the participant supine. Records were interpreted and Minnesota (MN) codes were provided by clinical cardiologists. |
Clinical Data/Diagnostic Studies/Electrocardiogram | |
ilbbb |
Incomplete left bundle-branch block
Minnesota (MN) code 7-6. Data derived from standard resting 12-lead electrocardiogram (ECG) with the participant supine. Records were interpreted and Minnesota (MN) codes were provided by clinical cardiologists. |
Clinical Data/Diagnostic Studies/Electrocardiogram | |
infmi |
Inferior myocardial infarction (MI)
Data derived from standard resting 12-lead electrocardiogram (ECG) with the participant supine. Records were interpreted and Minnesota (MN) codes were provided by clinical cardiologists. |
Clinical Data/Diagnostic Studies/Electrocardiogram | |
irbbb |
Incomplete right bundle-branch block
Minnesota (MN) code 7-3. Data derived from standard resting 12-lead electrocardiogram (ECG) with the participant supine. Records were interpreted and Minnesota (MN) codes were provided by clinical cardiologists. |
Clinical Data/Diagnostic Studies/Electrocardiogram | |
iventblk |
Indeterminate intraventricular block pattern
Minnesota (MN) code 7-4. Data derived from standard resting 12-lead electrocardiogram (ECG) with the participant supine. Records were interpreted and Minnesota (MN) codes were provided by clinical cardiologists. |
Clinical Data/Diagnostic Studies/Electrocardiogram | |
lah |
Left Atrial Hypertrophy
Minnesota (MN) code 7-7. Data derived from standard resting 12-lead electrocardiogram (ECG) with the participant supine. Records were interpreted and Minnesota (MN) codes were provided by clinical cardiologists. |
Clinical Data/Diagnostic Studies/Electrocardiogram | |
lbbb |
Left bundle-branch block
Minnesota (MN) code 7-1-1. Data derived from standard resting 12-lead electrocardiogram (ECG) with the participant supine. Records were interpreted and Minnesota (MN) codes were provided by clinical cardiologists. |
Clinical Data/Diagnostic Studies/Electrocardiogram | |
lvh3_1 |
Left Ventricular Hypertrophy: Voltage 3-1
Minnesota (MN) code 3-1. Data derived from standard resting 12-lead electrocardiogram (ECG) with the participant supine. Records were interpreted and Minnesota (MN) codes were provided by clinical cardiologists. |
Clinical Data/Diagnostic Studies/Electrocardiogram | |
lvh3_3 |
Left Ventricular Hypertrophy: Voltage 3-3
Minnesota (MN) code 3-3. Data derived from standard resting 12-lead electrocardiogram (ECG) with the participant supine. Records were interpreted and Minnesota (MN) codes were provided by clinical cardiologists. |
Clinical Data/Diagnostic Studies/Electrocardiogram | |
lvhst |
Left Ventricular Hypertrophy with ST and T-wave abnormalities
Data derived from standard resting 12-lead electrocardiogram (ECG) with the participant supine. Records were interpreted and Minnesota (MN) codes were provided by clinical cardiologists. |
Clinical Data/Diagnostic Studies/Electrocardiogram | |
mob1 |
Mobitz Type-1 Heart Block
Second degree atrioventricular (Mobitz) type-1 heart block. Minnesota (MN) code 6-2-3. Data derived from standard resting 12-lead electrocardiogram (ECG) with the participant supine. Records were interpreted and Minnesota (MN) codes were provided by clinical cardiologists. |
Clinical Data/Diagnostic Studies/Electrocardiogram | |
mob2 |
Mobitz Type-2 Heart Block
Second degree atrioventricular (Mobitz) type-2 heart block. Minnesota (MN) code 6-2-1. Data derived from standard resting 12-lead electrocardiogram (ECG) with the participant supine. Records were interpreted and Minnesota (MN) codes were provided by clinical cardiologists. |
Clinical Data/Diagnostic Studies/Electrocardiogram | |
nodal |
Nodal rhythm
Abnormal heart rhythm resulting from impulses from the atrioventricular node. Minnesota (MN) code 8-4-1. Data derived from standard resting 12-lead electrocardiogram (ECG) with the participant supine. Records were interpreted and Minnesota (MN) codes were provided by clinical cardiologists. |
Clinical Data/Diagnostic Studies/Electrocardiogram | |
nonsp_st |
Nonspecific ST wave abnormalty
Data derived from standard resting 12-lead electrocardiogram (ECG) with the participant supine. Records were interpreted and Minnesota (MN) codes were provided by clinical cardiologists. |
Clinical Data/Diagnostic Studies/Electrocardiogram | |
nonsp_tw |
Nonspecific T wave abnormalty
Data derived from standard resting 12-lead electrocardiogram (ECG) with the participant supine. Records were interpreted and Minnesota (MN) codes were provided by clinical cardiologists. |
Clinical Data/Diagnostic Studies/Electrocardiogram | |
paced |
Paced rate
Minnesota (MN) code 6-8. Data derived from standard resting 12-lead electrocardiogram (ECG) with the participant supine. Records were interpreted and Minnesota (MN) codes were provided by clinical cardiologists. |
Clinical Data/Diagnostic Studies/Electrocardiogram | |
part2deg |
Partial second degree atrioventricular block
Minnesota (MN) code 6-2-2. Data derived from standard resting 12-lead electrocardiogram (ECG) with the participant supine. Records were interpreted and Minnesota (MN) codes were provided by clinical cardiologists. |
Clinical Data/Diagnostic Studies/Electrocardiogram | |
qrs |
QRS Axis
Data derived from standard resting 12-lead electrocardiogram (ECG) with the participant supine. Records were interpreted and Minnesota (MN) codes were provided by clinical cardiologists. |
Clinical Data/Diagnostic Studies/Electrocardiogram | |
rbbb |
Right bundle-branch block
Minnesota (MN) code 7-2-1. Data derived from standard resting 12-lead electrocardiogram (ECG) with the participant supine. Records were interpreted and Minnesota (MN) codes were provided by clinical cardiologists. |
Clinical Data/Diagnostic Studies/Electrocardiogram | |
rtrial |
Right Atrial Enlargement
Minnesota (MN) code 9-3. Data derived from standard resting 12-lead electrocardiogram (ECG) with the participant supine. Records were interpreted and Minnesota (MN) codes were provided by clinical cardiologists. |
Clinical Data/Diagnostic Studies/Electrocardiogram | |
rvh |
Right Ventricular Hypertrophy
Minnesota (MN) code 3-2. Data derived from standard resting 12-lead electrocardiogram (ECG) with the participant supine. Records were interpreted and Minnesota (MN) codes were provided by clinical cardiologists. |
Clinical Data/Diagnostic Studies/Electrocardiogram | |
st4_1_3 |
ST and T-wave 4-1 to 4-3
Minnesota (MN) code 4-1 to 4-3. Data derived from standard resting 12-lead electrocardiogram (ECG) with the participant supine. Records were interpreted and Minnesota (MN) codes were provided by clinical cardiologists. |
Clinical Data/Diagnostic Studies/Electrocardiogram | |
st5_1_3 |
ST and T-wave 5-1 to 5-3
Minnesota (MN) code 5-1 to 5-3. Data derived from standard resting 12-lead electrocardiogram (ECG) with the participant supine. Records were interpreted and Minnesota (MN) codes were provided by clinical cardiologists. |
Clinical Data/Diagnostic Studies/Electrocardiogram | |
truposmi |
True posterior myocardial infarction (MI)
Data derived from standard resting 12-lead electrocardiogram (ECG) with the participant supine. Records were interpreted and Minnesota (MN) codes were provided by clinical cardiologists. |
Clinical Data/Diagnostic Studies/Electrocardiogram | |
ventrate |
Ventricular rate
Data derived from standard resting 12-lead electrocardiogram (ECG) with the participant supine. Records were interpreted and Minnesota (MN) codes were provided by clinical cardiologists. |
Clinical Data/Diagnostic Studies/Electrocardiogram | |
vpbs |
Ventricular bypasses
Minnesota (MN) code 8-1-2. Data derived from standard resting 12-lead electrocardiogram (ECG) with the participant supine. Records were interpreted and Minnesota (MN) codes were provided by clinical cardiologists. |
Clinical Data/Diagnostic Studies/Electrocardiogram | |
wpw |
Wolff-Parkinson-White Syndrome
Minnesota (MN) code 6-4-1. Data derived from standard resting 12-lead electrocardiogram (ECG) with the participant supine. Records were interpreted and Minnesota (MN) codes were provided by clinical cardiologists. |
Clinical Data/Diagnostic Studies/Electrocardiogram | |
afibprevalent |
Prevalent Atrial Fibrillation (AF) at SHHS Visit 1
Variable created as part of the analysis for Tung et al. 2017 (PubMed ID: 28668820). Prevalent AF was defined by any of the following: a positive response to the question 'Has a doctor ever told you that you have or had atrial fibrillation'; AF identified on resting 12-lead ECG at the baseline SHHS exam; or if the parent study identified AF documented in the medical record before the SHHS baseline exam. |
Clinical Data/Incident Outcomes/Cardiovascular Diseases | |
nsrr_bp_diastolic |
Diastolic blood pressure
Average resting diastolic blood pressure of two measurements collected from the upper arm in a single clinic visit. When more than two measurements were collected, the average was calculated using the second and third measurements. In cases where either of the measurements was missing, the average was calculated discarding the missing value. |
Harmonized/Clinical Data | |
nsrr_bp_systolic |
Systolic blood pressure
Average resting systolic blood pressure of two measurements collected from the upper arm in a single clinic visit. When more than two measurements were collected, the average was calculated using the second and third measurements. In cases where either of the measurements was missing, the average was calculated discarding the missing value. |
Harmonized/Clinical Data | |
ess_interim |
Epworth Sleepiness Scale: Total score
Calculated - Total score based on an 8-item questionnaires ranking likelihood of dozing off Johns MW 1991 (PubMed ID: 1798888). Scale 0-3 for individual items; 0 to 24 for overall score. |
Sleep Questionnaires/Hypersomnia/Epworth Sleepiness Scale (ESS)/Interim |