Visit number vs Central Apnea-Hypopnea Index: (Central apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 3% oxygen desaturation or with arousal) / hour of sleep from type II polysomnography

	N	Mean	StdDev	Median	Min	Max	Unknown	Total
Visit 8	461	14.6	± 12.2	11.2	0.0	73.8	-	461

Age (categorical) vs Central Apnea-Hypopnea Index: (Central apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 3% oxygen desaturation or with arousal) / hour of sleep from type II polysomnography

Visit 8

	N	Mean	StdDev	Median	Min	Max	Unknown	Total
Total	455	14.5	± 11.8	11.2	0.0	73.1	-	455
75-84 years	325	13.5	± 11.0	10.7	0.2	73.1	-	325
85 years or older	130	16.8	± 13.4	12.9	0.0	59.6	-	130

Gender vs Central Apnea-Hypopnea Index: (Central apneas with no oxygen desaturation threshold used and with or without arousal+ hypopneas with > 30% flow reduction and >= 3% oxygen desaturation or with arousal) / hour of sleep from type II polysomnography

Visit 8

	N	Mean	StdDev	Median	Min	Max	Unknown	Total
Total	461	14.6	± 12.2	11.2	0.0	73.8	-	461
Female	461	14.6	± 12.2	11.2	0.0	73.8	-	461

Study of Osteoporotic Fractures

Age