Similar(8)
Other diagnoses included transient ischemic attack, sequelae of stroke, subdural hematoma, and intracerebral tumors, implying that patients admitted to these wards did have neurologic symptoms potentially indicating a stroke, which warranted their admission to a neurologic ward.
Usually, a sudden development of one or more of the warning signs indicates a stroke, sometimes called a "brain attack".
Data from available observational studies are conflicting since some of them indicate a similar stroke risk between subjects using high and low doses of estrogen while other studies show a dose response association [132 134].
TIA and control patients must have no clinical codes indicating a previous stroke or TIA prior to the index date.
15 21 A low CHADS2 or CHA2DS2-VASc score indicated a low risk of stroke, and a low HAS-BLED score indicated a low risk of bleeding.
Recently, a planned interim safety analysis of an ongoing phase III study (SAILOR) indicated a higher incidence of stroke in patients treated with ranibizumab 0.5 mg compared with those treated with 0.3 mg (1.2 versus 0.3%, respectively; P=0.02) (Anon. 2007b).
A score ≥4 points indicated a positive predictive value of stroke of 91.3%.
A meta-analysis of observational studies 20 as well as a retrospective study conducted among individuals with a history of ischaemic stroke 21 indicated a lack of association between statin exposure and intracerebral haemorrhage (RR=0.94; 95% CI 0.81 to 1.10 and HR=0.87; 95% CI 0.65 to 1.17, respectively).
Related(1)
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