Name

paxis

Label

P Axis

Description

Average direction of electrical activity during the P wave

Units
degrees
Type
numeric
Visit number vs P Axis
N Mean StdDev Median Min Max Unknown Total
Baseline 292 44.7 ± 21.4 44.0 0.0 158.0 26 318
Follow-up 265 45.1 ± 22.1 46.0 0.0 140.0 36 301
Treatment Arm vs P Axis
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 292 44.7 ± 21.4 44.0 0.0 158.0 26 318
Healthy Lifestyles and Sleep Education - control arm (HLSE) 97 42.2 ± 18.2 42.0 0.0 90.0 9 106
Healthy Lifestyles and Sleep Education + (supplemental nocturnal) Oxygen - oxygen arm (HLSE-O) 99 47.8 ± 19.3 49.0 0.0 111.0 7 106
Healthy Lifestyles and Sleep Education + Positive airway pressure treatment - CPAP arm (HLSE-P) 96 44.1 ± 25.9 43.0 0.0 158.0 10 106
Treatment Arm vs P Axis
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 265 45.1 ± 22.1 46.0 0.0 140.0 36 301
Healthy Lifestyles and Sleep Education - control arm (HLSE) 88 44.5 ± 22.9 43.0 0.0 140.0 12 100
Healthy Lifestyles and Sleep Education + (supplemental nocturnal) Oxygen - oxygen arm (HLSE-O) 92 47.2 ± 21.0 49.5 0.0 135.0 9 101
Healthy Lifestyles and Sleep Education + Positive airway pressure treatment - CPAP arm (HLSE-P) 85 43.4 ± 22.4 46.0 0.0 113.0 15 100
Age category vs P Axis
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 292 44.7 ± 21.4 44.0 0.0 158.0 26 318
45-54 years 50 43.2 ± 24.7 40.0 0.0 143.0 3 53
55-64 years 133 43.6 ± 20.5 44.0 0.0 158.0 6 139
65 years or older 109 46.8 ± 21.0 46.0 0.0 111.0 17 126
Age category vs P Axis
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 265 45.1 ± 22.1 46.0 0.0 140.0 35 300
45-54 years 43 40.8 ± 18.3 41.0 5.0 74.0 6 49
55-64 years 113 43.2 ± 18.5 45.0 0.0 90.0 14 127
65 years or older 109 48.7 ± 26.1 50.0 0.0 140.0 15 124
Gender vs P Axis
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 292 44.7 ± 21.4 44.0 0.0 158.0 26 318
Female 79 44.7 ± 19.2 45.0 0.0 90.0 5 84
Male 213 44.7 ± 22.2 44.0 0.0 158.0 21 234
Gender vs P Axis
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 265 45.1 ± 22.1 46.0 0.0 140.0 36 301
Female 71 46.4 ± 19.2 50.0 0.0 83.0 8 79
Male 194 44.5 ± 23.1 45.0 0.0 140.0 28 222
Race vs P Axis
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 287 44.7 ± 21.5 44.0 0.0 158.0 26 313
White 228 43.3 ± 20.9 42.5 0.0 158.0 24 252
Black 41 54.1 ± 23.9 55.0 5.0 143.0 1 42
Other 18 41.0 ± 18.4 49.5 5.0 60.0 1 19
Race vs P Axis
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 262 44.9 ± 22.0 45.5 0.0 140.0 34 296
White 211 43.2 ± 23.0 45.0 0.0 140.0 26 237
Black 36 55.6 ± 14.5 56.0 22.0 77.0 4 40
Other 15 43.1 ± 14.6 39.0 20.0 65.0 4 19