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dbp_mean
under
Clinical Data/Vital Signs
in
WSC variables
Mean of two standard seated blood pressure measurements on the night of the PSG. If repeat measurements were taken, the mean of the closest two measurements.
sbp_mean
under
Clinical Data/Vital Signs
in
WSC variables
Mean of two standard seated blood pressure measurements on the night of the PSG. If repeat measurements were taken, the mean of the closest two measurements.
nsrr_bp_diastolic
under
Harmonized/Clinical Data
in
WSC variables
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 two closest measurements.Harmonized by the NSRR team to align with TOPMed and BioDataCatalyst standards. Source: :dbp_mean:
nsrr_bp_systolic
under
Harmonized/Clinical Data
in
WSC variables
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 two closest measurements.Harmonized by the NSRR team to align with TOPMed and BioDataCatalyst standards. Source: :sbp_mean:
qrs
under
Clinical Data/Diagnostic Studies/Electrocardiogram
in
SHHS variables
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.
nsrr_endtimbd_f1
under
Harmonized/Polysomnography/Sleep Architecture
in
CHAT variables
Conventionally, this variable would be called the end of time in bed (TIB). In this dataset, it concurs with the last epoch of sleep. Harmonized by the NSRR team. Source: :stlonp: