Table 4

Age- and multivariable-adjusted HRs for incident vascular events according to RLS status in the PHS

Primary analysis (n=19 182)Sensitivity analysis* (n=15 625)
No RLS history (n=17 809)Any history of RLS (n=1373)No RLS history (n=14 578)Any history of RLS (n=1047)
HR (95% CI)HR (95% CI)
Major cardiovascular eventn=974n=90n=755n=61
 Age adjusted1.001.09 (0.88 to 1.35)1.001.03 (0.79 to 1.33)
 Multivariable adjusted1.001.01 (0.81 to 1.25)1.000.96 (0.74 to 1.25)
Any stroken=357n=24n=271n=18
 Age adjusted1.000.77 (0.51 to 1.17)1.000.82 (0.51 to 1.33)
 Multivariable adjusted1.000.73 (0.48 to 1.11)1.000.79 (0.49 to 1.28)
Myocardial infarctionn=392n=39n=315n=25
 Age adjusted1.001.23 (0.88 to 1.71)1.001.06 (0.70 to 1.59)
 Multivariable adjusted1.001.12 (0.80 to 1.55)1.000.97 (0.64 to 1.45)
Coronary revascularisationn=1239n=113n=976n=87
 Age adjusted1.001.15 (0.95 to 1.40)1.001.22 (0.98 to 1.52)
 Multivariable adjusted1.001.06 (0.88 to 1.29)1.001.12 (0.90 to 1.40)
CVD deathn=350n=39n=260n=25
 Age adjusted1.001.27 (0.91 to 1.77)1.001.17 (0.78 to 1.77)
 Multivariable adjusted1.001.22 (0.87 to 1.70)1.001.13 (0.75 to 1.70)
  • * 3557 men with a history of polyneuropathy, kidney disease, liver disease, liver cirrhosis, rheumatoid arthritis, intermittent claudication and men who underwent peripheral artery disease surgery were excluded.

  • Adjusted for age, randomised treatment assignments, history of hypertension, history of diabetes, history of hypercholesterolaemia, parental history of myocardial infarction, history of migraine, alcohol consumption, body mass index, smoking and exercise.

  • CVD, cardiovascular disease; PHS, Physician's Health Study; RLS, restless legs syndrome.