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Nulliparous Pregnancy Outcomes Study Monitoring Mothers-to-be
Maximum Length of Hypopneas (Supine): Hypopneas with 30 - 50% flow reduction and no oxygen desaturation threshold used from type III home sleep apnea test
A4b. Visit of Sleep Study vs Maximum Length of Hypopneas (Supine): Hypopneas with 30 - 50% flow reduction and no oxygen desaturation threshold used from type III home sleep apnea test
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Visit 1
3,012
29.3
± 16.5
28.0
0.0
156.0
-
3,012
Visit 3
2,332
25.6
± 16.2
25.0
0.0
123.0
-
2,332
Race/ethnicity combined categories derived from V1AF05 and V1AF07a-g vs Maximum Length of Hypopneas (Supine): Hypopneas with 30 - 50% flow reduction and no oxygen desaturation threshold used from type III home sleep apnea test
Visit 1
N
Mean
StdDev
Median
Min
Max
Unknown
Total
Total
3,012
29.3
± 16.5
28.0
0.0
156.0
-
3,012
Non-Hispanic White
1,842
30.1
± 16.6
28.0
0.0
125.0
-
1,842
Non-Hispanic Black
359
25.2
± 15.6
24.0
0.0
83.0
-
359
Hispanic
557
29.0
± 16.2
28.0
0.0
156.0
-
557
Asian
112
32.3
± 17.8
31.0
0.0
106.0
-
112
Other
142
27.6
± 15.5
27.5
0.0
102.0
-
142
Race/ethnicity combined categories derived from V1AF05 and V1AF07a-g vs Maximum Length of Hypopneas (Supine): Hypopneas with 30 - 50% flow reduction and no oxygen desaturation threshold used from type III home sleep apnea test