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. Author manuscript; available in PMC: 2015 Feb 1.
Published in final edited form as: Anesth Analg. 2014 Feb;118(2):407–418. doi: 10.1213/ANE.0000000000000051

Appendix 5.

Comorbidity Incidence Based Propensity Scoring Matched Samples

Incidence of Comorbid Disease (based on propensity matching)
No SA diagnosis SA Diagnosis
Comorbidity N % N % STD(%)
MI 3,611 4.3 1,386 4.9 3.09
Cerebrovascular Disease 186 0.2 68 0.2 0.44
Peripherovascular Disease 1,580 1.9 595 2.1 1.74
Dememtia 57 0.1 21 0.1 0.27
Renal Disease 35 <0.1 15 0.1 0.54
COPD 17,087 20.2 5,983 21.2 2.52
Diabetes 20,608 24.4 7,140 25.3 2.22
Complicated Diabetes 1,366 1.6 490 1.7 0.96
Cancer 1,354 1.6 500 1.8 1.34
Hypertension 58,936 69.7 19,330 68.6 2.42
Complicated Hypertension 4,181 5.0 1,498 5.3 1.68
Pulmonary Hypertension 695 0.8 243 0.9 0.44
Obesity 27,886 33.0 9,561 33.9 2.00

(SA = sleep apnea; STD = standardized difference; COPD = chronic obstructive pulmonary disease)