Browse Guides  internal medicine  neurology

Stroke

Prevalence
Clinical features
Investigations
Therapy
Prevention
Prognosis
Clinical features

Ask about smoking a

Why?

Smoking increases the risk of having a stroke

Patient Prognostic Factor Outcome CER RR
(95% CI)		 NNF+
(95% CI)
healthy a smoker: 1 to 19 cigarettes per day
independent 		non-fatal stroke
at 9.7 years 		1.4% 1.86
(1.04 to 3.33)		 83
(32 to 1800)
  smoker: ≥ 20 cigarettes per day
independent 		  2.71
(1.84 to 3.98)		 42
(24 to 85)

Expiry date: October 2003
Levels of Evidence used in grading these guides

Author   CM   Ball
Reviewer   G  Donnan
CAT Writers   CJ   Wotton , N   Shenker , CM   Ball