Mean blood pressure was @ ( SD @ ) mm Hg/@ ( @ ) mm Hg at baseline ( median @ h -LSB- @-@ -RSB- after stroke onset ) , and was significantly reduced on day @ in @ patients allocated to glyceryl trinitrate compared with @ controls ( difference -@ -LSB- @ % CI -@ to -@ -RSB- mm Hg / -@ -LSB- -@ to -@ -RSB- mm Hg ; both p < @ ) , and on day @ in @ patients allocated to continue antihypertensive drugs compared with @ patients randomised to stop them ( difference -@ -LSB- @ % CI -@ to -@ -RSB- mm Hg / -@ -LSB- -@ to -@ -RSB- mm Hg ; both p < @ ) .