Table 1.

Adverse events during the 6-month trial period

Adverse event	Number
Delirium	2
Headache	7
Hypertension	1
Subdural haematoma	1
Fatigue	1
Nasopharyngitis (common cold)	1
Abnormal clinical chemistry findingsa	1
Nausea/vomiting	1
Herpes simplex blister	1
Total number	16

^aHypokalaemia