Table 1.

Characteristics of patients in whom chart abstraction was conducted

	Patients (n = 346)
Age, y (±SD)	63.6 (±10.1)
Female sex, n (%)	247 (71.4%)
Comorbidity, n (%)
Myocardial infarction	1 (0.9%)
Cerebrovascular disease	29 (8.4%)
Congestive heart failure	40 (11.6%)
Connective tissue disease‐rheumatic disease	329 (95.1%)
Dementia	2 (0.6%)
Diabetes without complications	42 (12.1%)
Mild liver disease	139 (40.2%)
Peptic ulcer disease	100 (28.9%)
Peripheral vascular disease	27 (7.8%)
Chronic pulmonary disease	84 (24.3%)
Cancer	59 (17.1%)
Diabetes with complications	14 (4.1%)
Paraplegia and hemiplegia	4 (1.2%)
Renal disease	14 (4.1%)
Metastatic carcinoma	8 (2.3%)
Moderate or severe liver disease	1 (0.3%)