ndesat5 ndesat85
Name
ndesat5h
Label
Number of oxygen desaturations with < 5% desaturation per hour of estimated sleep from type III home sleep apnea test
Description

Estimated sleep duration, providing an approximation of total sleep duration (i.e. total sleep time) inferred from analysis of non-EEG channels Zhao et al., 2017 (PMID:27707441)

Units
desaturations per hour
Type
numeric
Tags
ndesatc5h phrnumds_dslt5_f1t3
Visit number vs Number of oxygen desaturations with < 5% desaturation per hour of estimated sleep from type III home sleep apnea test
N Mean StdDev Median Min Max Unknown Total
Baseline 316 18.5 ± 6.2 17.2 7.1 42.2 2 318
Follow-up 275 11.9 ± 8.8 10.2 0.3 69.5 26 301
Treatment Arm vs Number of oxygen desaturations with < 5% desaturation per hour of estimated sleep from type III home sleep apnea test
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 316 18.5 ± 6.2 17.2 7.1 42.2 2 318
Healthy Lifestyles and Sleep Education - control arm (HLSE) 106 18.6 ± 6.3 17.4 7.5 34.6 - 106
Healthy Lifestyles and Sleep Education + (supplemental nocturnal) Oxygen - oxygen arm (HLSE-O) 105 18.2 ± 6.0 17.1 8.1 42.2 1 106
Healthy Lifestyles and Sleep Education + Positive airway pressure treatment - CPAP arm (HLSE-P) 105 18.7 ± 6.5 16.8 7.1 38.4 1 106
Treatment Arm vs Number of oxygen desaturations with < 5% desaturation per hour of estimated sleep from type III home sleep apnea test
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 275 11.9 ± 8.8 10.2 0.3 69.5 26 301
Healthy Lifestyles and Sleep Education - control arm (HLSE) 94 18.1 ± 8.9 17.0 1.7 69.5 6 100
Healthy Lifestyles and Sleep Education + (supplemental nocturnal) Oxygen - oxygen arm (HLSE-O) 95 7.2 ± 5.3 5.9 0.3 29.4 6 101
Healthy Lifestyles and Sleep Education + Positive airway pressure treatment - CPAP arm (HLSE-P) 86 10.3 ± 8.1 8.3 0.3 41.8 14 100
Age category vs Number of oxygen desaturations with < 5% desaturation per hour of estimated sleep from type III home sleep apnea test
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 316 18.5 ± 6.2 17.2 7.1 42.2 2 318
45-54 years 52 17.5 ± 5.3 17.0 8.1 33.5 1 53
55-64 years 139 18.3 ± 6.4 16.6 7.1 42.2 - 139
65 years or older 125 19.1 ± 6.4 18.6 7.7 38.0 1 126
Age category vs Number of oxygen desaturations with < 5% desaturation per hour of estimated sleep from type III home sleep apnea test
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 275 11.9 ± 8.8 10.2 0.3 69.5 25 300
45-54 years 42 11.0 ± 7.5 9.2 0.5 36.0 7 49
55-64 years 117 12.4 ± 9.5 10.7 0.3 69.5 10 127
65 years or older 116 11.7 ± 8.7 9.9 0.3 41.4 8 124
Gender of the participant vs Number of oxygen desaturations with < 5% desaturation per hour of estimated sleep from type III home sleep apnea test
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 316 18.5 ± 6.2 17.2 7.1 42.2 2 318
Female 84 18.2 ± 6.3 16.6 7.1 38.0 - 84
Male 232 18.6 ± 6.2 17.4 7.7 42.2 2 234
Gender of the participant vs Number of oxygen desaturations with < 5% desaturation per hour of estimated sleep from type III home sleep apnea test
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 275 11.9 ± 8.8 10.2 0.3 69.5 26 301
Female 73 10.7 ± 7.4 9.3 0.4 30.1 6 79
Male 202 12.3 ± 9.3 10.6 0.3 69.5 20 222
Race of the participant vs Number of oxygen desaturations with < 5% desaturation per hour of estimated sleep from type III home sleep apnea test
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 315 18.5 ± 6.3 17.2 7.1 42.2 2 317
White 255 18.4 ± 6.2 17.4 7.1 38.4 1 256
American Indian or Alaskan Native 2 23.0 ± 5.1 23.0 19.4 26.6 - 2
Black or African American 42 18.4 ± 6.6 16.1 10.9 42.2 1 43
Asian 6 16.3 ± 2.6 16.3 13.4 20.6 - 6
Native Hawaiian or other Pacific islander 1 14.5 - 14.5 14.5 14.5 - 1
Other 4 24.6 ± 7.2 23.7 17.5 33.5 - 4
Multiple 5 18.0 ± 8.7 14.1 13.5 33.5 - 5
Race of the participant vs Number of oxygen desaturations with < 5% desaturation per hour of estimated sleep from type III home sleep apnea test
Follow-up
N Mean StdDev Median Min Max Unknown Total
Total 274 11.9 ± 8.8 10.2 0.3 69.5 25 299
White 222 12.1 ± 8.4 10.7 0.3 41.8 19 241
American Indian or Alaskan Native 2 4.8 ± 1.1 4.8 4.0 5.6 - 2
Black or African American 35 10.0 ± 11.8 7.7 0.3 69.5 6 41
Asian 6 17.1 ± 9.1 17.8 2.6 29.4 - 6
Native Hawaiian or other Pacific islander 1 9.3 - 9.3 9.3 9.3 - 1
Other 3 10.3 ± 4.1 8.8 7.1 14.9 - 3
Multiple 5 14.5 ± 9.0 11.2 4.0 25.8 - 5