Table 2.

Study population comorbidity matrix

N = 359	Cardiac disease	COPD	Diabetes	Chronic Kidney Disease	Chronic Liver Disease	Organ Transplant	Malignancy
Cardiac disease	66	10	15	13	3	16	17
COPD		23	3	1	1	4	5
Diabetes			63	7	9	17	11
Chronic Kidney Disease				43	2	29	4
Chronic Liver Disease					30	11	3
Organ Transplant						96	21
Malignancy							102