Table 1.

The number and ages of the recruited patients who completed the study

	Intervention			Control
	Male	Female	Total	Male	Female	Total
Number of patients recruited from wards	16	18	34	21	25	46
Number of patients recruited from outpatient clinics	36	34	70	31	27	58
The total number of patients in the study	52	52	104	52	52	104
Mean age (years)	58.6	58.5	58.6	58.8	58.6	58.7
Age group (< 50)	19	17	36	18	18	36
(50–65)	25	19	44	22	21	43
(> 65)	8	16	24	12	13	25