Name

qtdur

Label

Duration of the Q-T interval

Units
milliseconds
Type
numeric
Visit number vs Duration of the Q-T interval
N Mean StdDev Median Min Max Unknown Total
Baseline 317 418.7 ± 34.4 418.0 322.0 512.0 1 318
Follow-up 293 424.3 ± 48.4 418.0 332.0 948.0 8 301
Treatment Arm vs Duration of the Q-T interval
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 317 418.7 ± 34.4 418.0 322.0 512.0 1 318
Healthy Lifestyles and Sleep Education - control arm (HLSE) 105 418.4 ± 36.2 418.0 342.0 500.0 1 106
Healthy Lifestyles and Sleep Education + (supplemental nocturnal) Oxygen - oxygen arm (HLSE-O) 106 418.8 ± 32.6 418.0 348.0 508.0 - 106
Healthy Lifestyles and Sleep Education + Positive airway pressure treatment - CPAP arm (HLSE-P) 106 418.7 ± 34.7 418.0 322.0 512.0 - 106
Treatment Arm vs Duration of the Q-T interval
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 293 424.3 ± 48.4 418.0 332.0 948.0 8 301
Healthy Lifestyles and Sleep Education - control arm (HLSE) 99 417.0 ± 35.0 414.0 342.0 510.0 1 100
Healthy Lifestyles and Sleep Education + (supplemental nocturnal) Oxygen - oxygen arm (HLSE-O) 99 428.6 ± 65.3 418.0 346.0 948.0 2 101
Healthy Lifestyles and Sleep Education + Positive airway pressure treatment - CPAP arm (HLSE-P) 95 427.3 ± 38.3 422.0 332.0 526.0 5 100
Age category vs Duration of the Q-T interval
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 317 418.7 ± 34.4 418.0 322.0 512.0 1 318
45-54 years 53 413.8 ± 28.9 414.0 342.0 482.0 - 53
55-64 years 139 414.4 ± 37.1 416.0 322.0 512.0 - 139
65 years or older 125 425.4 ± 32.5 426.0 364.0 508.0 1 126
Age category vs Duration of the Q-T interval
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 293 424.3 ± 48.4 418.0 332.0 948.0 7 300
45-54 years 48 414.8 ± 30.0 413.0 332.0 484.0 1 49
55-64 years 124 425.6 ± 61.6 418.0 346.0 948.0 3 127
65 years or older 121 426.7 ± 37.6 420.0 342.0 560.0 3 124
Gender vs Duration of the Q-T interval
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 317 418.7 ± 34.4 418.0 322.0 512.0 1 318
Female 84 420.7 ± 30.5 420.0 354.0 494.0 - 84
Male 233 417.9 ± 35.7 418.0 322.0 512.0 1 234
Gender vs Duration of the Q-T interval
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 293 424.3 ± 48.4 418.0 332.0 948.0 8 301
Female 77 425.9 ± 38.1 418.0 346.0 560.0 2 79
Male 216 423.7 ± 51.6 418.0 332.0 948.0 6 222
Race vs Duration of the Q-T interval
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 312 419.0 ± 34.3 418.0 322.0 512.0 1 313
White 251 419.7 ± 35.1 418.0 322.0 512.0 1 252
Black 42 419.8 ± 31.2 421.0 342.0 488.0 - 42
Other 19 408.2 ± 29.9 410.0 368.0 464.0 - 19
Race vs Duration of the Q-T interval
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 289 424.5 ± 48.6 418.0 332.0 948.0 7 296
White 232 425.6 ± 51.2 418.0 332.0 948.0 5 237
Black 38 423.5 ± 38.6 414.0 356.0 560.0 2 40
Other 19 412.6 ± 29.2 406.0 370.0 468.0 - 19