Name
ecgdate
Label
Number of days since the baseline Polysomnography (PSG) until collected: electrocardiogram (ECG)
Description

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.

Units
days from index date
Type
numeric
Sleep Heart Health Study (SHHS) Visit Number vs Number of days since the baseline Polysomnography (PSG) until collected: electrocardiogram (ECG)
N Mean StdDev Median Min Max Unknown Total
Visit 1 4,204 -586.1 ± 577.6 -522.5 -2,459.0 515.0 1,600 5,804
Interim Follow-up Visit - - - - - - - -
Visit 2 3,447 1,923.9 ± 104.6 1,916.0 1,731.0 2,681.0 633 4,080
CVD Outcomes - - - - - - - -
Age at Sleep Heart Health Study Visit One (SHHS1) vs Number of days since the baseline Polysomnography (PSG) until collected: electrocardiogram (ECG)
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 4,204 -586.1 ± 577.6 -522.5 -2,459.0 515.0 1,600 5,804
35-44 years 223 -316.3 ± 610.5 -22.0 -2,315.0 397.0 119 342
45-54 years 761 -676.6 ± 675.0 -532.0 -2,459.0 515.0 256 1,017
55-64 years 1,136 -860.1 ± 486.1 -758.0 -2,392.0 356.0 633 1,769
65-74 years 1,088 -668.2 ± 552.4 -640.5 -2,437.0 265.0 529 1,617
75-84 years 896 -183.0 ± 313.6 -76.5 -2,252.0 35.0 59 955
85 years or older 100 -104.5 ± 130.5 -64.0 -782.0 85.0 4 104
Gender of the participant vs Number of days since the baseline Polysomnography (PSG) until collected: electrocardiogram (ECG)
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 4,204 -586.1 ± 577.6 -522.5 -2,459.0 515.0 1,600 5,804
Male 1,941 -617.7 ± 588.6 -552.0 -2,459.0 397.0 824 2,765
Female 2,263 -559.0 ± 566.8 -480.0 -2,458.0 515.0 776 3,039
Gender of the participant vs Number of days since the baseline Polysomnography (PSG) until collected: electrocardiogram (ECG)
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 3,447 1,923.9 ± 104.6 1,916.0 1,731.0 2,681.0 633 4,080
Male 1,582 1,925.9 ± 105.9 1,914.0 1,735.0 2,679.0 279 1,861
Female 1,865 1,922.2 ± 103.5 1,917.0 1,731.0 2,681.0 354 2,219
Race of the participant vs Number of days since the baseline Polysomnography (PSG) until collected: electrocardiogram (ECG)
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 4,204 -586.1 ± 577.6 -522.5 -2,459.0 515.0 1,600 5,804
White 3,570 -655.8 ± 589.9 -597.0 -2,459.0 515.0 1,337 4,907
Black 328 -194.4 ± 274.3 -59.0 -1,639.0 376.0 187 515
Other 306 -193.3 ± 261.8 -62.5 -1,611.0 397.0 76 382
Race of the participant vs Number of days since the baseline Polysomnography (PSG) until collected: electrocardiogram (ECG)
Visit 2
N Mean StdDev Median Min Max Unknown Total
Total 3,447 1,923.9 ± 104.6 1,916.0 1,731.0 2,681.0 633 4,080
White 3,012 1,924.4 ± 98.6 1,918.0 1,731.0 2,681.0 575 3,587
Black 227 1,880.2 ± 145.1 1,847.0 1,736.0 2,547.0 29 256
Other 208 1,963.9 ± 118.7 1,938.5 1,743.0 2,464.0 29 237