psg_oahi3 psg_oai0p
Name
psg_oahi4
Label
Calculated - Obstructive apnea (all desats) Hypopnea (4% desat) Index
Description

missing if total sleep time is 0

Calculation
psg_oahi4 = oahi4 = 60*(hrembp4 + hrop4 + hnrbp4 + hnrop4 + oarbp +oarop + oanbp + oanop)/slpprdp
Units
number of events per hour
Type
numeric
Tags
oahi4 oahi_oa0uhp3x4u_f1t1
PATS Visit timepoint vs Calculated - Obstructive apnea (all desats) Hypopnea (4% desat) Index
N Mean StdDev Median Min Max Unknown Total
Screening Visit 499 2.4 ± 8.2 0.3 0.0 114.3 56 555
Baseline Visit - - - - - - 332 332
Month-6 Interim Visit - - - - - - 283 283
Month-12 Endpoint Visit 232 0.4 ± 1.9 0.0 0.0 22.1 59 291
Assigned treatment arm vs Calculated - Obstructive apnea (all desats) Hypopnea (4% desat) Index
Screening Visit
N Mean StdDev Median Min Max Unknown Total
Total 330 0.2 ± 0.3 0.1 0.0 2.0 - 330
Early Adenotonsillectomy 167 0.2 ± 0.3 0.1 0.0 2.0 - 167
Watchful Waiting with Supportive Care 163 0.3 ± 0.3 0.1 0.0 1.8 - 163
Assigned treatment arm vs Calculated - Obstructive apnea (all desats) Hypopnea (4% desat) Index
Baseline Visit
N Mean StdDev Median Min Max Unknown Total
Total - - - - - - 330 330
Early Adenotonsillectomy - - - - - - 167 167
Watchful Waiting with Supportive Care - - - - - - 163 163
Assigned treatment arm vs Calculated - Obstructive apnea (all desats) Hypopnea (4% desat) Index
Month-6 Interim Visit
N Mean StdDev Median Min Max Unknown Total
Total - - - - - - 283 283
Early Adenotonsillectomy - - - - - - 140 140
Watchful Waiting with Supportive Care - - - - - - 143 143
Assigned treatment arm vs Calculated - Obstructive apnea (all desats) Hypopnea (4% desat) Index
Month-12 Endpoint Visit
N Mean StdDev Median Min Max Unknown Total
Total 232 0.4 ± 1.9 0.0 0.0 22.1 59 291
Early Adenotonsillectomy 117 0.1 ± 0.3 0.0 0.0 2.2 30 147
Watchful Waiting with Supportive Care 115 0.8 ± 2.6 0.1 0.0 22.1 29 144
Child's sex vs Calculated - Obstructive apnea (all desats) Hypopnea (4% desat) Index
Screening Visit
N Mean StdDev Median Min Max Unknown Total
Total 499 2.4 ± 8.2 0.3 0.0 114.3 56 555
Male 258 2.8 ± 10.0 0.3 0.0 114.3 28 286
Female 241 1.9 ± 5.5 0.2 0.0 56.1 28 269
Child's sex vs Calculated - Obstructive apnea (all desats) Hypopnea (4% desat) Index
Baseline Visit
N Mean StdDev Median Min Max Unknown Total
Total - - - - - - 332 332
Male - - - - - - 162 162
Female - - - - - - 170 170
Child's sex vs Calculated - Obstructive apnea (all desats) Hypopnea (4% desat) Index
Month-6 Interim Visit
N Mean StdDev Median Min Max Unknown Total
Total - - - - - - 283 283
Male - - - - - - 137 137
Female - - - - - - 146 146
Child's sex vs Calculated - Obstructive apnea (all desats) Hypopnea (4% desat) Index
Month-12 Endpoint Visit
N Mean StdDev Median Min Max Unknown Total
Total 232 0.4 ± 1.9 0.0 0.0 22.1 59 291
Male 120 0.5 ± 1.4 0.1 0.0 13.4 25 145
Female 112 0.4 ± 2.3 0.0 0.0 22.1 34 146
Child's race vs Calculated - Obstructive apnea (all desats) Hypopnea (4% desat) Index
Screening Visit
N Mean StdDev Median Min Max Unknown Total
Total 499 2.4 ± 8.2 0.3 0.0 114.3 56 555
American Indian/Alaska Native 3 0.07 ± 0.06 0.1 0.0 0.1 - 3
Asian 9 0.8 ± 1.5 0.0 0.0 4.4 1 10
Native Hawaiian or Other Pacific Islander 1 4.8 - 4.8 4.8 4.8 - 1
Black or African American 128 4.5 ± 12.6 0.7 0.0 114.3 33 161
White 332 1.6 ± 6.0 0.2 0.0 81.8 19 351
More than one race 23 2.1 ± 4.1 0.1 0.0 15.2 2 25
Unknown or not reported 3 1.4 ± 1.0 1.3 0.5 2.5 1 4
Child's race vs Calculated - Obstructive apnea (all desats) Hypopnea (4% desat) Index
Baseline Visit
N Mean StdDev Median Min Max Unknown Total
Total - - - - - - 332 332
American Indian/Alaska Native - - - - - - 3 3
Asian - - - - - - 6 6
Native Hawaiian or Other Pacific Islander - - - - - - - -
Black or African American - - - - - - 73 73
White - - - - - - 235 235
More than one race - - - - - - 14 14
Unknown or not reported - - - - - - 1 1
Child's race vs Calculated - Obstructive apnea (all desats) Hypopnea (4% desat) Index
Month-6 Interim Visit
N Mean StdDev Median Min Max Unknown Total
Total - - - - - - 283 283
American Indian/Alaska Native - - - - - - 3 3
Asian - - - - - - 4 4
Native Hawaiian or Other Pacific Islander - - - - - - - -
Black or African American - - - - - - 64 64
White - - - - - - 200 200
More than one race - - - - - - 12 12
Unknown or not reported - - - - - - - -
Child's race vs Calculated - Obstructive apnea (all desats) Hypopnea (4% desat) Index
Month-12 Endpoint Visit
N Mean StdDev Median Min Max Unknown Total
Total 232 0.4 ± 1.9 0.0 0.0 22.1 59 291
American Indian/Alaska Native 3 0.1 ± 0.2 0.0 0.0 0.3 - 3
Asian 4 0.0 ± 0.0 0.0 0.0 0.0 - 4
Native Hawaiian or Other Pacific Islander - - - - - - - -
Black or African American 56 1.0 ± 3.4 0.1 0.0 22.1 12 68
White 156 0.2 ± 0.6 0.0 0.0 4.2 47 203
More than one race 12 0.9 ± 2.7 0.05 0.0 9.5 - 12
Unknown or not reported 1 0.0 - 0.0 0.0 0.0 - 1