Table 3. Most frequent bronchiectasis-unrelated comorbidities among secondary diagnoses when bronchiectasis is the primary hospital diagnosis (n = 12,251).

ICD-10	Secondary diagnosis	Frequency	Percentage
I10	Primary hypertension	3,470	28.3
E11	Diabetes mellitus type 2	1,080	8.8
I25	Coronary artery disease	1,047	8.5
M81	Osteoporosis without pathological fracture	771	6.3
I50	Congestive heart failure	741	6.0
E87	Disorders of water, electrolyte, and acid-base balance	711	5.8
I48	Atrial flutter or fibrillation	697	5.7
E78	Disorders of lipoprotein metabolism and other lipidemias	635	5.2
N18	Chronic kidney disease	549	4.5
E66	Obesity	494	4.0

ICD-10: International Classification of Diseases, 10th revision.