Name

ahi_c0h3

Label

Central Apnea-Hypopnea Index (AHI) >= 3% - number of [central apneas] and [hypopneas with >= 3% oxygen desaturation] per hour of sleep

Calculation
ahi_c0h3 = 60 * (hrembp3 + hrop3 + hnrbp3 + hnrop3 + urbp3 + urop3 + unrbp3 + unrop3 + carbp + carop + canbp + canop) / slpprdp
Units
events per hour
Type
numeric
Visit number vs Central Apnea-Hypopnea Index (AHI) >= 3% - number of [central apneas] and [hypopneas with >= 3% oxygen desaturation] per hour of sleep
N Mean StdDev Median Min Max Unknown Total
Baseline 49 38.1 ± 16.4 36.4 0.9 72.1 - 49
9-Month Followup 43 28.7 ± 18.0 24.5 5.1 88.0 - 43
18-Month Followup 40 30.1 ± 20.2 28.1 4.1 80.2 - 40
Randomized Treatment Arm vs Central Apnea-Hypopnea Index (AHI) >= 3% - number of [central apneas] and [hypopneas with >= 3% oxygen desaturation] per hour of sleep
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 49 38.1 ± 16.4 36.4 0.9 72.1 - 49
Laparoscopic Gastric Banding (LGB) 28 40.4 ± 15.1 39.1 15.4 70.5 - 28
Continuous Positive Airway Pressure (CPAP) 21 35.0 ± 17.8 30.2 0.9 72.1 - 21
Randomized Treatment Arm vs Central Apnea-Hypopnea Index (AHI) >= 3% - number of [central apneas] and [hypopneas with >= 3% oxygen desaturation] per hour of sleep
9-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 43 28.7 ± 18.0 24.5 5.1 88.0 - 43
Laparoscopic Gastric Banding (LGB) 25 31.8 ± 19.9 27.0 5.1 88.0 - 25
Continuous Positive Airway Pressure (CPAP) 18 24.5 ± 14.5 21.7 5.4 46.5 - 18
Randomized Treatment Arm vs Central Apnea-Hypopnea Index (AHI) >= 3% - number of [central apneas] and [hypopneas with >= 3% oxygen desaturation] per hour of sleep
18-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 40 30.1 ± 20.2 28.1 4.1 80.2 - 40
Laparoscopic Gastric Banding (LGB) 24 28.2 ± 19.9 21.4 4.1 80.2 - 24
Continuous Positive Airway Pressure (CPAP) 16 33.0 ± 21.0 30.5 7.5 79.2 - 16
Age of participant vs Central Apnea-Hypopnea Index (AHI) >= 3% - number of [central apneas] and [hypopneas with >= 3% oxygen desaturation] per hour of sleep
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 49 38.1 ± 16.4 36.4 0.9 72.1 - 49
27.0 to 45.0 years 13 32.9 ± 15.8 38.7 0.9 53.7 - 13
46.0 to 50.0 years 12 37.8 ± 16.1 34.7 15.4 72.1 - 12
51.0 to 56.0 years 12 37.3 ± 18.0 31.8 12.9 70.5 - 12
57.0 to 65.0 years 12 44.7 ± 15.2 43.2 24.0 68.9 - 12
Age of participant vs Central Apnea-Hypopnea Index (AHI) >= 3% - number of [central apneas] and [hypopneas with >= 3% oxygen desaturation] per hour of sleep
9-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 43 28.7 ± 18.0 24.5 5.1 88.0 - 43
28.0 to 47.0 years 11 23.0 ± 16.0 21.7 6.0 44.4 - 11
47.0 to 52.0 years 11 27.0 ± 15.6 24.5 5.4 55.9 - 11
52.0 to 58.0 years 11 26.1 ± 14.8 20.3 5.1 50.2 - 11
58.0 to 65.0 years 10 39.8 ± 22.9 40.5 9.4 88.0 - 10
Age of participant vs Central Apnea-Hypopnea Index (AHI) >= 3% - number of [central apneas] and [hypopneas with >= 3% oxygen desaturation] per hour of sleep
18-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 40 30.1 ± 20.2 28.1 4.1 80.2 - 40
29.0 to 46.0 years 10 35.3 ± 19.7 35.6 9.7 70.3 - 10
47.0 to 52.0 years 10 27.9 ± 18.7 26.3 4.2 58.2 - 10
53.0 to 58.0 years 10 27.5 ± 23.1 17.3 8.7 79.2 - 10
58.0 to 65.0 years 10 29.7 ± 21.4 26.1 4.1 80.2 - 10
Gender vs Central Apnea-Hypopnea Index (AHI) >= 3% - number of [central apneas] and [hypopneas with >= 3% oxygen desaturation] per hour of sleep
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 49 38.1 ± 16.4 36.4 0.9 72.1 - 49
Male 28 39.6 ± 15.9 39.2 12.9 70.5 - 28
Female 21 36.1 ± 17.2 31.4 0.9 72.1 - 21
Gender vs Central Apnea-Hypopnea Index (AHI) >= 3% - number of [central apneas] and [hypopneas with >= 3% oxygen desaturation] per hour of sleep
9-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 43 28.7 ± 18.0 24.5 5.1 88.0 - 43
Male 25 31.8 ± 20.2 29.9 6.1 88.0 - 25
Female 18 24.4 ± 13.8 22.5 5.1 46.5 - 18
Gender vs Central Apnea-Hypopnea Index (AHI) >= 3% - number of [central apneas] and [hypopneas with >= 3% oxygen desaturation] per hour of sleep
18-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 40 30.1 ± 20.2 28.1 4.1 80.2 - 40
Male 25 32.6 ± 17.6 30.3 8.7 80.2 - 25
Female 15 26.0 ± 24.1 16.8 4.1 79.2 - 15
Race vs Central Apnea-Hypopnea Index (AHI) >= 3% - number of [central apneas] and [hypopneas with >= 3% oxygen desaturation] per hour of sleep
Baseline
N Mean StdDev Median Min Max Unknown Total
Total 49 38.1 ± 16.4 36.4 0.9 72.1 - 49
White 35 36.7 ± 17.3 32.3 0.9 72.1 - 35
Black 9 44.8 ± 13.5 50.2 22.9 60.8 - 9
Other 5 35.2 ± 13.6 39.0 17.7 50.4 - 5
Race vs Central Apnea-Hypopnea Index (AHI) >= 3% - number of [central apneas] and [hypopneas with >= 3% oxygen desaturation] per hour of sleep
9-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 43 28.7 ± 18.0 24.5 5.1 88.0 - 43
White 31 26.3 ± 14.3 23.9 5.1 50.2 - 31
Black 8 43.2 ± 24.8 42.4 9.0 88.0 - 8
Other 4 18.2 ± 16.5 12.7 6.1 41.5 - 4
Race vs Central Apnea-Hypopnea Index (AHI) >= 3% - number of [central apneas] and [hypopneas with >= 3% oxygen desaturation] per hour of sleep
18-Month Followup
N Mean StdDev Median Min Max Unknown Total
Total 40 30.1 ± 20.2 28.1 4.1 80.2 - 40
White 29 27.7 ± 17.3 29.2 4.1 70.3 - 29
Black 7 48.5 ± 26.1 52.8 19.4 80.2 - 7
Other 4 15.0 ± 6.4 13.8 9.7 22.8 - 4