Table 2. Prevalence of Comorbidities.

Prevalence of pre-existing comorbidities for patients without and with diagnosis of sleep apnea

	No SA Diagnosis		SA Diagnosis
Comorbidity	N	%	N	%	STD (%)
Myocardial Infarction	17,069	3.5	2,433	5.5	9.58
Cerebrovascular Disease	1,136	0.2	98	0.2	0.26
Peripheral Vascular Disease	8,187	1.7	1,057	2.4	4.98
Renal Disease	243	0.1	23	0.1	0.09
COPDa	64,816	13.3	11,051	25.0	29.89
Diabetesa	79,444	16.4	12,980	29.3	31.30
Complicated Diabetesa	4,610	0.9	1,108	2.5	11.96
Cancer	8,556	1.8	782	1.8	0.05
Obesitya	75,644	15.6	18,708	42.3	61.65
Hypertensiona	293,277	60.4	30,862	69.8	19.78
Complicated Hypertensiona	17,576	3.6	2,764	6.2	12.16
Pulmonary Hypertensiona	2,476	0.5	765	1.7	11.61

(SA = sleep apnea; STD = Standardized Difference; COPD = chronic obstructive pulmonary disease).

^aVariables met the standardized difference > 10% threshold