Table 3

Efficacy (ITT population) and safety endpoints (on-treatment population) by SVD subtype and for patients with no SVD

(A) Event rates
OutcomesAS events/100 pt-years (CI) (total events)MR or AR events/100 pt-years (CI) (total events)No SVD events/100 pt-years (CI) (total events)
Efficacy outcomes
 Stroke or SE4.21 (1.89 to 6.53) (17)2.01 (1.50 to 2.52) (69)2.09 (1.89 to 2.29) (487)
 Stroke, SE, or vascular death10.84 (7.23 to 14.45) (41)4.54 (3.78 to 5.30) (152)4.31 (4.03 to 4.59) (982)
 Stroke, SE, vascular death, or MI12.09 (8.25 to 15.93) (45)5.72 (4.86 to 6.58) (189)4.99 (4.68 to 5.30) (1128)
 Stroke3.68 (1.52 to 5.84) (15)1.71 (1.24 to 2.18) (59)1.96 (1.77 to 2.15) (458)
 Early study drug discontinuation (%)*58.4 (51.5 to 65.1) (125)39.6 (37.3 to 41.9) (685)34.0 (33.2 to 34.8) (4161)
 Stroke per-protocol on-treatment*4.30 (1.81 to 6.79) (12)1.50 (1.04 to 1.96) (39)1.90 (1.70 to 2.10) (354)
 All-cause death11.22 (7.65 to 14.79) (43)4.90 (4.12 to 5.68) (164)4.39 (4.11 to 4.67) (1002)
Safety outcomes
 Major or NMCR bleeding24.36 (18.14 to 30.58) (59)17.66 (15.98 to 19.34) (422)14.16 (13.60 to 14.72) (2431)
 Major bleeding7.61 (4.35 to 10.87) (21)4.86 (4.03 to 5.69) (131)3.27 (3.01 to 3.53) (625)
 Gastrointestinal bleeding2.90 (0.89 to 4.91) (8)2.12 (1.57 to 2.67) (57)1.32 (1.16 to 1.48) (252)
 Intracranial haemorrhage1.40 (0.03 to 2.77) (4)0.76 (0.43 to 1.09) (21)0.59 (0.48 to 0.70) (114)
(B) Group comparisons
OutcomesAS vs No SVD
HR (CI)
AS vs MR or AR
HR (CI)
MR or AR vs no SVD
HR (CI)
Efficacy outcomes
 Stroke or SE1.82 (1.10 to 3.01)*1.87 (1.08 to 3.23)*0.97 (0.75 to 1.26)
 Stroke, SE or vascular death2.03 (1.47 to 2.79)**2.12 (1.49 to 3.01)**0.96 (0.80 to 1.14)
 Stroke, SE, vascular death or MI1.91 (1.41 to 2.59)**1.84 (1.32 to 2.56)**1.04 (0.88 to 1.21)
 Stroke1.70 (1.00 to 2.92)*1.93 (1.07 to 3.46)*0.88 (0.67 to 1.16)
 All-cause death1.88 (1.38 to 2.56)**1.94 (1.38 to 2.72)**0.97 (0.82 to 1.15)
Safety outcomes
 Major or NMCR bleeding1.28 (0.98 to 1.66)1.14 (0.87 to 1.51)1.12 (1.00 to 1.24)*
 Major bleeding1.61 (1.03 to 2.49)*1.24 (0.78 to 1.97)1.30 (1.07 to 1.57)**
 Gastrointestinal bleeding1.39 (0.68 to 2.83)1.04 (0.49 to 2.18)1.34 (1.00 to 1.80)*
 Intracranial haemorrhage2.04 (0.75 to 5.60)1.63 (0.55 to 4.77)1.26 (0.79 to 2.01)
  • *Although early study drug discontinuation rates were different in the three groups, event rates for stroke were not markedly different between on-treatment and ITT patients.

  • Event rates are underadjusted.

  • p Values for group comparisons: *p<0.05, **p<0.01.

  • AS, aortic stenosis; CI, confidence interval; ITT, intention to treat; MI, myocardial infarction; MR or AR, mitral or aortic regurgitation; NMCR, non-major clinically relevant; pt-years, patient-years; SE, systemic embolism; SVD, significant valve disease.