The mean age of the patients in both groups was similar ( amlodipine group : @ @ years ; losartan group : @ @ years ) , with no significant difference in the mean BP -LSB- amlodipine group : @ @ mmHg ( systolic ) and @ @ mmHg ( diastolic ) ; losartan group : @ @ mmHg ( systolic ) and @ @ mmHg ( diastolic ) -RSB- .