
36
A. Accountability of the PMA Cohort
Table 21 presents patient accountability in the PIIA trial. The SAPIEN XT patients had either a
transfemoral (TF) or non-transfemoral (non-TF) access.
Table 21:
Patient Accountability
Intent to Treat
Population
a
As Treated
Population
b
Valve Implant
Population
c
SAPIEN XT
1011
994
974
Transfemoral
775
762
749
Non-Transfemoral
236
232
225
SAVR
1021
944
936
a. Intent to Treat (ITT): All randomized patients
b. As Treated (AT): All enrolled/randomized patients for whom the Index Procedure is started. Patients were
analyzed according to the valve used in the initial implant attempt.
c. Valve Implant (VI): All As Treated patients whose valve implant process is completed.
In the SAPIEN XT ITT population, 187 patients exited the study prior to the 2-year visit. Of the
remaining 824 patients who were due for the 2-year visit, 784 patients (95.1%) completed the 2-
year visit, and 40 patients (4.9%) missed the 2-year visit.
In the SAVR ITT population, 216 patients exited the study prior to the 2-year visit. Of the
remaining 805 patients who were due for the 2-year visit, 710 patients (88.2%) completed the 2-
year visit, and 95 patients (11.8%) missed the 2-year visit.
B. Study Population Demographics and Baseline Parameters
The demographics and baseline characteristics of the ITT population are presented in
Table 22. Among the SAPIEN XT population, 775 patients were implanted via the
transfemoral (TF) access route and 236 patients via the non-TF access route, including
transapical (TA) or transaortic (TAo) access.
Table 22:
Demographics and Baseline Characteristics
(ITT Population)
Demographics &
Characteristic
SAPIEN XT
SAVR
(N = 1021)
All
(N = 1011)
TF only
(N = 775)
Non-TF Only
(N = 236)
Age (Years)
81.5±6.7
81.8±6.7
80.6±6.6
81.7±6.7
Male Sex
548/1011 (54.2%)
426/775 (55.0%)
122/236 (51.7%)
560/1021
(54.8%)
Society of Thoracic
Surgeons (STS) score
5.8±2.1
5.8±2.1
6.0±2.1
5.8±1.9
New York Heart Association (NYHA) class
I/II
229/1011 (22.7%)
174/775 (22.5%)
55/236 (23.3%)
244/1020
(23.9%)
III/IV
782/1011 (77.3%)
601/775 (77.5%)
181/236 (76.7%)
776/1020
(76.1%)
Coronary Artery Disease
700/1011 (69.2%)
531/775 (68.5%)
169/236 (71.6%)
679/1021