Table 4

 Details of comorbid disease in patients treated with biological agents*

Comorbidityn (%)
*Adjusted for age, sex, disease duration, and smoking history.
†Includes either angina pectoris or myocardial infarction.
COPD, chronic obstructive pulmonary disease.
Any comorbidity4505 (58)
Hypertension1710 (22)
Ischaemic heart disease†470 (6)
Cerebrovascular accident150 (2)
Asthma736 (10)
COPD365 (5)
Pulmonary fibrosis249 (3)
Past tuberculosis152 (2)
Diabetes414 (5)
Diabetes receiving oral therapy164 (2)
Diabetes receiving insulin119 (2)
Hypothyroidism573 (7)
Depression1491 (19)
Peptic ulcer disease671 (9)
Liver disease174 (2)
Renal disease218 (3)
Demyelination14 (0.2)
Epilepsy91 (1)
Past malignancy231 (3)