Table 1.

Characteristics of patients studied

Number of patients	87
Age (years) (range)	75 (51–93)
Sex (male/female)	51/36
Current angina	38
Previous myocardial infarction	40
Diabetes	13
Chronic obstructive pulmonary disease	24
Atrial fibrillation	25
β Blocker	9
Angiotensin converting enzyme inhibitor	37
Diuretic	60
HMG CoA reductase inhibitor	2
Calcium channel blocker	20
Digoxin	17
Nitrate	12
Aspirin	43
Warfarin	9
Admission New York Heart Association class
II	21
III	28
IV	38
Creatinine (μmol/l)	*132 (7.2)

HMG CoA, 3-hydroxy-3-methylglutaryl coenzyme A.

*Mean (SD)