Var ID

00000099

Name

systolicav_bl

Label

systolic BP bl

Description

Systolic blood pressure at baseline in mmHg. Refer to bp_source_bl for the source of the measurement. Values from GP records are within the range 3 months before the visit to 2 months after the visit. If a more precise measurement date is needed refer to bp_date_bl. Where possible (e.g. at study clinic visit) this value is the average of 3 measurements.,

Additional Information

Releases

Release 1,

Data Source

Data Context

DERIVED

Data Entry

Study Data Analyst

Data Availability

Available

Valid From

-

Valid To

-

Is Current

True

Data type

Real

Minimum Value

Maximum Value

Warning Minimum Value

Warning Maximum Value

Significant figures

Decimal Places

Maximum Length

Pattern

Format

Release 1

systolicav_bl

Blood pressure

OUTPUT

Common confounders

OUTPUT