Name

printerval

Label

PR Interval

Description

Duration from the beginning of the P-wave to the beginning of the QRS complex

Units
milliseconds
Type
numeric
Visit number vs PR Interval
N Mean StdDev Median Min Max Unknown Total
Baseline 302 174.4 ± 29.5 172.0 78.0 304.0 16 318
Follow-up 279 176.0 ± 35.6 174.0 80.0 486.0 22 301
Treatment Arm vs PR Interval
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 302 174.4 ± 29.5 172.0 78.0 304.0 16 318
Healthy Lifestyles and Sleep Education - control arm (HLSE) 101 175.6 ± 32.8 172.0 78.0 304.0 5 106
Healthy Lifestyles and Sleep Education + (supplemental nocturnal) Oxygen - oxygen arm (HLSE-O) 103 175.7 ± 29.8 174.0 80.0 252.0 3 106
Healthy Lifestyles and Sleep Education + Positive airway pressure treatment - CPAP arm (HLSE-P) 98 171.8 ± 25.4 168.0 120.0 272.0 8 106
Treatment Arm vs PR Interval
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 279 176.0 ± 35.6 174.0 80.0 486.0 22 301
Healthy Lifestyles and Sleep Education - control arm (HLSE) 94 177.5 ± 45.7 170.0 116.0 486.0 6 100
Healthy Lifestyles and Sleep Education + (supplemental nocturnal) Oxygen - oxygen arm (HLSE-O) 95 174.0 ± 28.1 176.0 80.0 256.0 6 101
Healthy Lifestyles and Sleep Education + Positive airway pressure treatment - CPAP arm (HLSE-P) 90 176.5 ± 30.7 174.0 116.0 272.0 10 100
Age category vs PR Interval
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 302 174.4 ± 29.5 172.0 78.0 304.0 16 318
45-54 years 52 163.7 ± 18.7 166.0 128.0 208.0 1 53
55-64 years 133 174.1 ± 27.4 172.0 78.0 272.0 6 139
65 years or older 117 179.5 ± 34.2 174.0 80.0 304.0 9 126
Age category vs PR Interval
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 279 176.0 ± 35.6 174.0 80.0 486.0 21 300
45-54 years 48 169.8 ± 51.4 166.0 116.0 486.0 1 49
55-64 years 119 175.3 ± 26.9 174.0 122.0 272.0 8 127
65 years or older 112 179.4 ± 35.6 176.0 80.0 296.0 12 124
Gender vs PR Interval
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 302 174.4 ± 29.5 172.0 78.0 304.0 16 318
Female 80 168.4 ± 24.5 170.0 106.0 238.0 4 84
Male 222 176.6 ± 30.8 175.0 78.0 304.0 12 234
Gender vs PR Interval
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 279 176.0 ± 35.6 174.0 80.0 486.0 22 301
Female 73 168.6 ± 25.2 168.0 116.0 256.0 6 79
Male 206 178.6 ± 38.4 175.0 80.0 486.0 16 222
Race vs PR Interval
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 297 174.5 ± 29.6 172.0 78.0 304.0 16 313
White 237 174.7 ± 30.8 172.0 78.0 304.0 15 252
Black 41 175.8 ± 26.3 174.0 106.0 238.0 1 42
Other 19 169.3 ± 20.1 168.0 132.0 202.0 - 19
Race vs PR Interval
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 275 176.1 ± 35.8 174.0 80.0 486.0 21 296
White 220 177.0 ± 37.6 174.0 80.0 486.0 17 237
Black 36 174.3 ± 30.1 172.0 118.0 256.0 4 40
Other 19 169.7 ± 22.5 164.0 142.0 214.0 - 19