Is sleep apnea underdiagnosed in adult patients with osteogenesis imperfecta? –a single-center cross-sectional study

Table 2 In-laboratory polysomnography findings

Patient	TST	SE	Arousals	AHI	AHI	AHI	SpO₂	CT90	ODI3	PLMI	Snoring time
	minutes	%	total	total /hour	obstructive /hour	central /hour	sleep mean %	%	/ hour	/ hour	% of TST
1	383	94	21.9	21.4	21.4	0.0	92.6	7.1	24.9	6.8	34
2	252	63	13	3.6	3.6	0.0	95.4	0.0	1.9	0.0	22.7
3	274	65	6.2	0.2	0.2	0.0	97.1	0.0	0.0	3.3	18.1
4	294	73	55	45.1	45.1	0.0	91.5	17.3	42.0	0.0	51.5
5	282	76	30.3	29.5	28.0	1.5	93.0	1.6	16.9	1.7	67.7
6	304	78	24.9	23.1	22.7	0.4	92.5	2.4	12.0	0.0	26.5
7	371	79	8.6	0.0	0.0	0.0	95.4	0.0	0.0	15.9	3.6
8	295	74	8	0.6	0.6	0.0	95.0	0.0	3.3	8.4	5.7
9	109	32	81.3	80.2	80.2	0.0	92.6	0.4	25.2	11.2	66.2
10	424	87	4.8	0.3	0.3	0.0	94.6	0.0	0.3	3.8	0.3
11	409	95	24.1	1.9	1.8	0.1	96.2	0.0	0.6	0.0	0.9
12	256	57	47.4	18.5	18.5	0.0	92.5	3.7	18.0	8.0	3.7
13	371	93	15	0.2	0.2	0.0	92.6	0.0	0.2	2.3	0
14	315	68	12.4	1.0	1.0	0.0	93.7	0.0	0.2	0.0	3.6
15	310	78	19.6	14.2	14.2	0.0	93.2	0.8	11.8	0.0	33.6
16	299	81	20.5	7.5	7.5	0.0	94.8	0.1	2	2.2	48.3
17	435	75	11.6	5.8	5.6	0.2	94.9	0.0	4.3	0	29.4
18	362	88	37.2	3.8	3.8	0.0	95.7	0.0	0.8	10.6	0.8
19	327	78	23.5	10.7	10.7	0.0	93.8	0.3	7.0	68.4	3.4
20	320	72	18.8	24.8	24.8	0.0	93.3	4.4	27.8	53.4	45.8
21	306	71	25.5	1	1	0.0	96.8	0.0	2.7	7.8	0
22	379	80		24.9	24.9	0.0	94.6	0.6	19.2	43.0	26.6
23	399	94	13.8	0.6	0.6	0.0	95.9	0.0	0.2	2.4	0
24	343	79	23.3	11.4	11.4	0.0	96.1	0.1	2.8	0.0	6.1
25	403			10			90.6	23.0
mean	329	76	24	14.0	14.0	0.1	94.2	2.5	9.3	10.4	20.1
SD	70	14	18	19	19	0.3	1.6	3.8	11.5	18.1	22.0

Abbreviations: TST total sleep time; SE sleep efficiency; AHI apnea and hypopnea index
SpO₂: pulse oxygen saturation in blood; CT90: SpO₂ cumulative time below 90%; PLMI: periodic leg movement index
Patient number 9 was left out of the further analysis due to insufficient sleep efficiency

ISSN: 1750-1172