. Author manuscript; available in PMC: 2022 May 3.

Published in final edited form as: Otolaryngol Head Neck Surg. 2020 Sep 15;164(4):877–883. doi: 10.1177/0194599820954837

Table 2.

Comparison of Documented Comorbid Medical Conditions Among Children With Down Syndrome Who Did and Did Not Obtain a PSG.^a

Comorbid medical condition	PSG obtained (n = 273)	PSG not obtained (n = 187)	P value
Congenital heart disease	59 (21.6)	44 (23.5)	.63
Hypothyroidism	51 (18.7)	16 (8.6)	.003
Pulmonary aspiration	28 (10.3)	7 (3.7)	.01
Asthma/reactive airway disease	7 (2.6)	2 (1.1)	.32^b
Attention-deficit/hyperactivity disorder	7 (2.6)	1 (0.5)	.15^b
Autism spectrum disorder	8 (2.9)	4 (2.1)	.77^b

Abbreviation: PSG, polysomnogram.

Values are presented as No. (%).

Fisher’s exact test.